441results about How to "Beautiful design" patented technology

The invention provides an intelligent cuffless blood pressure health monitoring wrist watch based on PPG and ECG. The intelligent cuffless blood pressure health monitoring wrist watch comprises a wrist watch body provided with a touch control display screen, wherein a waterproof SIM cover and a magnetic wireless charging data transmission interface are arranged on the back of the wrist watch body, and the wrist watch body comprises an electrocardiogram detecting unit, a pulse wave detecting unit, a data coding and packing unit, a data collection controlling and analyzing unit, an application displaying unit, a main control center and a power supply. The intelligent cuffless blood pressure health monitoring wrist watch can be used for carrying out health monitoring of various links, such as heart rate monitoring, step number counting and sleep detection, and also can track the daily activity conditions, such as the movement distance, speed, step number and calorie consumption of users, preparatively record the movement data, and assist the user in knowing the health index, in addition, the intelligent cuffless blood pressure health monitoring wrist watch is attractive in appearance design, reasonable in design, convenient to use and easy to operate, thus being suitable for being widely popularized for use.

The invention provides a direct-opening full touch, full light contact and full remote control multi-path combination series electronic switch and belongs to the field of illuminating switches. A conventional wall combination switch is a push-contact switch which has the defects of easy contact oxidation, poor contact, short service life and inconvenience in use in daily life. In building construction and decorating processes, a plurality of wires are arranged in a switch wall so that great waste is caused and the waste of wiring in a combination switch wall every year in China is up to more than a hundred million. In a researched and developed combination switch, a push contact is replaced by an electronic contact so that a pull-type switch is upgraded into a full touch, full light contact and full remote control combination switch. The switch has various direct opening or closing modes for load and has a multi-control characteristic. A use function represented by each touch point oreach light contact point can be vividly displayed on a combination switch panel. If power of a power grid is switched off and then switched on, the switch has a safe and reliable full switch-off measure. When the switch is used and installed, wiring in an original switch wall does not need changing or adding. A combination switch product has a full-series type and can be widely used in switches in the illuminating field.

The invention relates to a wearable continuous blood pressure estimating system and a method based on dynamic compensation of diastolic blood pressure.A wearable electrocardio-sensing unit and a volume pulse wave sensing unit are used for measuring an electrocardiosignal and a volume pulse wave signal, both of which are connected to a signal acquisition and transmission unit by means of a connection converting unit at the neck portion and synchronously collected and sent wirelessly to a portable intelligent computing and processing unit. The portable intelligent computing and processing unit provides functions of blood pressure calibration and continuous estimation, more specifically, comprises real-time wireless reception of signals, pre-processing, detection of feature points, display and storage and real-time computation and display of systolic blood pressure and diastolic blood pressure.A pulse transit time method is adopted by an estimation of systolic blood pressure. A way of thinking for dynamic compensation based on volume pulse amplitude value and time parameters is utilized by an estimation of diastolic blood pressure. Therefore, estimating accuracy is improved. The wearable continuous blood pressure estimating system is characterized by being small in size and power consumption and low in cost and is suitable for being worn everyday without influencing upon daily activities.

The invention belongs to the field of washing devices and particularly relates to a washing machine control panel base and a washing machine with the same. The washing machine control panel base comprises a control panel base body (1) and a decoration plate (16) arranged on the upper surface of the control panel base body. A decoration strip (3) is annularly arranged on the periphery of the control panel base body and extends downwards along the periphery to form a wrapping edge (4) which wraps an upper edge (5) of a washing machine box body. The washing machine control panel base and the washing machine box body are fixedly installed through a fastener, are further reinforced through the decoration strip and are firmly connected. The installation procedures are simplified, installation is convenient, time is saved, and the installation efficiency is improved.

The invention provides a laparoscopic surgery simulation system based on force feedback. The system comprises an operation platform, a main computer, a simulation apparatus, a laparoscope cannula, force feedback equipment, a pedal and a display device. The laparoscopic surgery simulation system is concise, compact and attractive in design, can carry out an operation through the simulation apparatus in a virtual environment generated by the main computer, improves the level of clinical operations, and greatly saves expenses and time of medical training. Meanwhile, by means of a force feedback technology, a user can carry out haptic interaction with the virtual environment through the force feedback equipment, the training is more realistic, accurate and reliable, and immersion and reality of a virtual operation are enhanced.

The invention discloses a four-bar linkage artificial limb knee joint based on magneto rheological effect, which comprises a thigh bearing part, a shank supporting part, a four-bar linkage mechanism and a semi-active damping force control assembly, wherein the semi-active damping force control assembly comprises a sensor, a control unit, a current driver and a magneto rheological damper; and the magneto rheological damper is adopted as a main semi-active damping force control assembly, and the four-bar linage mechanism is used as a connecting mechanism. The artificial limb knee joint has continuous damping force, adjustable negative and positive damping, wide adjustment range and rapid response, and can better simulate the bending action of the knee joint under the control of a microprocessor; and the magneto rheological damper and the artificial limb knee joint are integrated, therefore, the four-bar linkage artificial limb knee joint has small occupation space and more compact structure, and an artificial limb which has more attractive appearance than the traditional structure is designed based on the four-bar linkage artificial limb knee joint.

The invention provides a high-precision double star laser interference dynamic distance measuring ground simulation device which at least comprises a vibration-isolation system, a vacuum system, a light source system, an interferometer, a first horizontal moving system, a second horizontal moving system, a phase detection system and a data analyzing system. The vibration-isolation system is used for isolating and filtering outside vibration noise and reducing the vibration noise of a system. The vacuum system is used for reducing thermal noise brought by temperature fluctuation of the system. The light source system is used for providing two laser beams which are high in stability and high in frequency stabilization. The interferometer is used for generating three paths of heterodyning interference signals which have the identical arm length and simulating satellite orbit dissociating motion information and scientific signal information caused by gravitational waves or a gravitational field or the like. The first horizontal moving system is used for simulating scientific signals caused by gravitational waves or a gravitational field or the like. The second horizontal moving system is used for simulating satellite orbit dissociating signals. The phase detection system is used for carrying out phase detection on interference signals, collecting phase information and carrying out inversion displacement. The data analyzing system is used for estimating dynamic distance measuring precision of an interfering system and extracting scientific signals from mixed signals. The high-precision double star laser interference dynamic distance measuring ground simulation device can achieve ground simulation of high-precision double star laser interference dynamic distance measuring.

The multipurpose calligraphy and painting table is especially suitable for calligraphing and painting and as office desk. The multipurpose calligraphy and painting table has the structure comprising movable top assembly, fixed top, table frame and hanging frame assembly. The movable top assembly includes movable top with felt layer and conveying belt, winding reel on the inner side of the top, and driving motor on one end of the reel. The driving motor drives the winding reel and the movable top directly or via a drive mechanism. The table frame below the fixed top has legs, paper holder and document drawer. The hanging frame assembly on the back side of the fixed top has hanging frame, reflector or writing board, and brush hanger.

The embodiment of the fingernail protection work gloves is a new concept in the art of household rubber gloves in that it contains a sponge-like barrier in the tips of the fingers 1-5 to protect manicured nails. It provides a cloth lining 6 for comfort and protection to the skin, and helps keep skin moisturized. The forearm strap 7 gives the user the security, comfort, and protection from water, chemicals, bacteria, and other elements entering into the glove and harming manicured tips or the skin of the hand. Glamorous patterns printed on the glove 10 provide a woman with a sense of upliftment, specialness, and beauty while performing household chores.

The invention relates to a multi-purpose ultraviolet ageing system, comprising a main box body and a control cabinet, wherein the top of the main box body is provided with an ultraviolet lamp and a pinhole used for connecting external equipment, and the control cabinet is connected with the main box body by a conducting wire so as to control the experimental conditions of the main box body. A door body is arranged on the main box body, the bottom of the box door is longer than the bottom of the box body, and both sides of the bottom of the main box body are provided with blast blowers. A top cover which is 10 millimeters away in a horizontal direction is arranged above the top part of the main box body, and the internal space of the box body is at least larger than 400mm*400mm*400mm. The control cabinet comprises a main power adopting a two-way anticreeping switch, a temperature controller adjusting the internal temperature of the box, a time controller controlling the testing time, a light source controlling the ultraviolet lamp and a blower control system controlling the blast blowers, and the backside of the control cabinet is provided with a rectifier for the ultraviolet lamp; and the control cabinet is also provided with a temperature relay and a time relay to control the experiment on the main box body. The invention can automatically and accurately control the experiment, does not leak light, has favorable thermal circulation and can completely satisfy the photocatalysis experiment and various aging experiments.

The invention discloses a multi-functional self-help watering flowerpot. The multi-functional self-help watering flowerpot comprises a flowerpot body and a water inlet mechanism, the flowerpot body comprises an inner pot and an outer pot in an integration mode, the inner pot is sleeved inside the outer pot, a cavity interlayer is formed between the inner pot and the outer pot, the inner pot is a cylindrical barrel, a plurality of openings are formed on the bottom surface of the inner pot, the upper surface edge of the inner pot extends outside to form a circular cover plate, the middle portion of the outer pot is provided with a sealing layer seamlessly connected with the bottom surface of the inner pot, the inside of the lower portion of the outer pot is provided with an inclined plane to divide the cylindrical space of the lower portion into two independent parts, the water inlet mechanism comprises a fluid pressing barrel and a liquid outlet pipe, the upper portion of the liquid outlet pipe is provided with a nozzle, and the upper portion of the liquid pressing barrel is provided with a cylindrical barrel piston which can move inside the pipe body of the liquid pressing barrel. Due to the matching between a transparent glass outer shell and ceramic inner shell, the multi-functional self-help watering flowerpot is beautiful in appearance, fresh, simple in structure, capable of enabling water to be filled inside soil inside the flowerpot and watering the plant inside the flowerpot at regular intervals and quantity, high in water utilization efficiency and good in water retention effect.

A portable terminal includes a main body unit having an opening at a side thereof, a port cover rotatably formed on the side of the main body unit to open or close the opening, and a port assembly formed within the main body unit configured to be projected out of the opening when the port cover opens the opening.

The invention discloses a convenience forecasting type public bus station with complementation of solar power supply and commercial power supply. The convenience forecasting type public bus station comprises a station frame, a public bus comprehensive station board is arranged on one side of the station frame, an arrival prompting loudspeaker, an LED illumination lamp and a station internal camera are arranged on the upper portion of the public bus comprehensive station board, a calendar, weather and time display screen, a station name LED display board and a plurality of multi-path public bus arrival display boards are arranged below the arrival prompting loudspeaker, the LED illumination lamp and the station internal camera in sequence, red arrival lamps are arranged above the station names of all the multi-path public bus arrival display boards, and station rest chairs are arranged at the bottom of the station frame. According to the convenience forecasting type public bus station, the mode of complementation of solar power supply and commercial power supply is adopted, and energy conservation and environmental friendliness are achieved. Industrialized production can be achieved, installation is convenient and fast, and shape and appearance design is attractive and elegant. The convenience forecasting type public bus station is multiple in function, capable of being widely installed and used on urban public transportation lines and beneficial to safety management of the urban transportation environment.

The invention belongs to the solar house field of comprehensively integrating solar energy and buildings into a whole, in particular discloses a heat collecting and accumulating wall type passive solar house. The heat collecting and accumulating wall type passive solar house is characterized in that a solar energy heat absorbing panel with the shape and the size respectively corresponding to thoseof the wall body is arranged outside the wall body facing to the sun; a warm air channel is reserved between the solar energy heat absorbing panel and the wall body facing to the sun; and the upper edge and the lower edge of the wall body facing to the sun are both provided with air ventilation ports. The invention has simple operation and convenient use, can improve the heat utilization of solarenergy and reduce the energy consumption.

The invention discloses a camera hidden type full-screen mobile phone which comprises a machine body; the full-screen mobile phone is characterized in that symmetric sliding grooves are formed in themiddle upper position of the back of the machine body; a groove and a square groove are formed in the middle position above the back part of the machine body; the square groove is communicated with the groove; the inner side of the square groove is fixedly connected with one end of a guide rod; the groove is communicated with the symmetric sliding grooves; sliding blocks are arranged in the symmetric sliding grooves respectively; and one side of the sliding block is fixedly connected with a contact sensor head, a soft spring and a hard spring respectively. According to the mobile phone in theinvention, the height of the camera can be adjusted according to the field of view of photographing and the environment; photographing can be realized on the premise that the mobile phone is not unlocked; stretching of the camera can be realized by one-hand operation; a symmetrical design is quite attractive and user operations are facilitated; due to the design of a dual-linear track, the liftingprocess of the camera is more stable.

The present invention discloses a front plate unit of split air conditioner, and the center part of the front plate has inhaling through hole for holding air purifying filter. There are raised decorative plates at the two ends of the front plant and embedded part installed to the bottom of the grille and between the raised decorative parts. All the surfaces of the grille, the bottom and the decorative plates from one continuous plane. The filter is set inside the space between the front plate and the grille and is one easy-to-assembly and easy-to-disassembly structure.

The invention relates to a knock-down prevention base of a cup. By the aid of the knock-down prevention base, the cup is difficult to knock down when placed on smooth object surfaces. The technical scheme includes that the knock-down prevention base of the cup comprises a cup base and a sucker. A movable block is concavely arranged on the bottom surface of the cup base, the side surfaces of the concave cup base are protruded towards the center of the concave cup base to form limiting protrusions, an exhaust cone vertex is arranged in the center of the bottom surface of the cup base, a sucker accommodating hole is formed in the middle of the movable block, the sucker is fixed into the sucker accommodating hole of the movable block, an air hole support is arranged on a suction zone of the sucker and is communicated with the inside of the cup base, and a conical radial opening is formed in the upper portion of the air hole support. The knock-down prevention base has the advantages that a conical air-tight door of the sucker is controlled by the aid of a sucker principle and mechanical force of the nature; the movable block can fall, so that air in the suction zone of a lower sucker can be exhausted to form a vacuum zone, the atmospheric pressure can tightly press the sucker on the object surfaces, and accordingly a cup body which is connected with the sucker can resist lateral thrust under the effect of the atmospheric pressure and can be prevented from being knocked down.

The present invention provides a light-emitting control knob capable of consistently maintaining a beautiful design without a problem, such as discoloration or rubbing-off, despite use of a long period because a light-blocking metal plate having light-emitting display windows formed therein is stacked and formed on a top surface of a knob body and of providing a much more beautiful and high-class design than a conventional control knob because surface processing unique to metal can be performed on the light-blocking metal plate. The light-emitting control knob in accordance with the present invention includes a knob body made of transparent or semitransparent synthetic resins which transmit light and a light-blocking metal plate formed of a metal plate stacked on a top surface of the knob body and configured to have light-emitting display windows formed therein.

The invention discloses a tunnel mesh belt sintering furnace, belongs to an industrial furnace, and in particular relates to the technical field of dehydrochlorination technology for silicon nitride, titanium nitride, aluminum nitride and other nano powder at 850 DEG C or below. The tunnel mesh belt sintering furnace is characterized in that: the periphery and the top of a hearth consist of ceramic fiber boards; the bottom is supported by light foamed bricks; an inner muff tube made of Cr25Ni20 heat-resistant stainless steel is arranged on the light foamed bricks; the hearth is communicated with five paths of process gas; each path is controlled by a float flow meter; a hearth opening cooling section is divided into two parts, namely a natural cooling section and a forced cooling section; the forced cooling adopts dipping bath type water cooling; and a unique limiting correction device is arranged on two sides of a transmission mesh belt of an equipment inlet platform and an equipment outlet platform. The tunnel mesh belt sintering furnace has the advantages of firm and stable structure, no roof fall, high temperature control accuracy, low energy consumption, clean hearth, uniform temperature, stable long-term work and the like, and is convenient and effective to operate,.

The invention relates to a photovoltaic, photo-thermal and lighting energy utilization device. The device comprises a transparent light concentration prism cover plate, anti-reflective films, photovoltaic cells, side plates, a bottom plate, a ventilation pipe and a fan. The surface of one side of the transparent light concentration prism cover plate is a plane, and solid light concentration prisms in parallel are evenly distributed on the surface of the other side of the transparent light concentration prism cover plate. The two side faces of each solid light concentration prism are symmetrical parabolic faces. The photovoltaic cells are pasted at the bottoms of the solid light concentration prisms. The anti-reflective films are located between the solar photovoltaic cells and the lower bottom surfaces of the solid light concentration prisms. The bottom plate and the side plates are transparent, and small holes are evenly machined in the bottom plate. The side face of the transparent light concentration prism cover plate and the side plates are connected to form a closed-loop enclosed space. One face, provided with the solid light concentration prisms, of the transparent light concentration cover plate is located in the enclosed space. The enclosed space is sealed by the bottom plate, the side plates are connected to the ventilation pipe to be communicated with the enclosed space, and the exhaust fan is connected to the ventilation pipe. The photovoltaic, photo-thermal and lighting energy utilization device is simple in overall structure, achieves a concentrating photovoltaic, photo-thermal and lighting combination and increases the comprehensive utilization rate of energy.

This invention relates to an air fryer oven, which is specifically designed to solve the technical problem that the rotating cage structure of the side-door oven of similar product is poorly designed, the cage or oil filter net cannot be used simultaneously, the effect of cold and hot air circulation is not good, and the side door cannot be easily dissembled or cleaned. The opening at one side of the oven body is provided with a shell door, the inner walls of three side faces on the cover shell is provided with an inner bracket, the front opening of the inner bracket is symmetrically provided with a support frame, the bottom part of the cover shell is provided with a base shell and an inner base plate, the body is provided with a rotating cage; wherein the top inner cover at one side of the front opening of the said cover shell is provided with a belt motor, the belt motor at one end of the top inner cover is joined with the belt pulley at one side of the central shaft of the rotating cage through the belt pulley, its other side is buckled to the first shaft block on the inner wall of the inner bracket, the central shaft of the rotating cage is provided on the end cap at both sides of the rotating cage that is provided with a rotating cage door, the shell door is buckled and hinged with the base shell through a sliding buckle, the inner wall of the inner bracket is provided with a light, the hot air in the body door circulates through the shell body.

The invention discloses a high-power container type diesel generating set. The high-power container type diesel generating set comprises an auxiliary container, a power container and a connecting metal flexible pipe which is arranged between the auxiliary container and the power container, wherein the power container comprises a machine room and an electric appliance room, the machine room is internally provided with a diesel engine, a main generator, a starting motor, a storage battery and a charger, and the electric appliance room is internally provided with a high-voltage cabinet, a grounding cabinet and a control cabinet; the top part of the auxiliary container is in an open type, and a box door is in a shutter type; and the connecting metal flexible pipe comprises large-caliber steel wire braiding flexible pipes and small-caliber steel wire braiding flexible pipes, two large-caliber steel wire braiding flexible pipes are connected by adopting a movable flange, and two small-caliber steel wire braiding flexible pipes are connected by adopting a quick-change connector. According to the high-power container type diesel generating set disclosed by the invention, the generator and an auxiliary unit are respectively arranged in the two box bodies, the two box bodies are connected by adopting the steel wire braiding flexible pipes, and thus the high-power container type diesel generating set can effectively adapt to places with large environmental temperature difference and strong sandstorm and has the characteristics of noise reduction, shock absorption, easiness in disassembling and hoisting and the like.

The invention relates to a smooth trap which comprises a hollow trap made of an upper layer of fabric and a lower layer of fabric; both sides of the trap are weaved sides; the trap consists of a plurality of warps and a weft comprising at least a heating fuse which are evenly weaved in a stagger way; the inner surface and the outer surface of the trap are fine and smooth surfaces with consistent lines; in the design, the number of the heating fuses exposed on the inner hole surface of the trap is small, both surfaces of the inner hole of the trap are not easy to be adhered in the follow-up processing and application, so that a steel coil is easy to go through the inner hole of the trap, which is convenient in processing; in addition, because of fine structure and small thickness, the trap can be hidden in ready-to-wear clothes or bras in manufacturing, so that the users are more comfortable and the clothes design is more elegant. The invention also discloses a weaving method of the trap.

The invention discloses a novel bicycle power booster, comprising a rubber wheel, a handle, a lithium battery, a battery shell, a motor, a charging hole and a clamping slot, wherein the lithium battery is arranged at one end of the entire power booster; the motor is arranged at the other end of the entire power booster; the rubber wheel is installed on the motor; the battery shell is arranged on the lithium battery; the charging hole, the handle and the clamping slot are arranged on the battery shell; and the handle is arranged on the upper part of the lithium battery. The novel bicycle power booster has a simple structure and is attractive in design. A bicycle can be changed into an electric bicycle conveniently, as the rubber wheel is installed on the motor, and clamped in a bicycle rear wheel, power is supplied to the bicycle, and the benefit of being energy-saving is achieved.

The invention aims to provide a three-layer medical infusion bag. The three-layer medical infusion bag comprises a flat infusion bag body of a three-layer structure. The three-layer structure comprises an inner bag layer made of polyethylene material, a middle bag layer made of polypropylene and styrene-ethylene / butylene-styrene segmented copolymer material and an outer bag layer which is a blended layer of polypropylene, carboxylated styrene-ethylene / butylene-styrene segmented copolymer and anionic polymerization nylon nanocomposite. The barrier performance of the anionic polymerization nylon nanocomposite of the outer bag layer is excellent. Air inlet is not needed in the infusion process and medicine liquid can automatically flow and is completely drained through the design of the thickness and the width of the infusion bag body, and therefore the whole infusion bag is good in safety, barrier property and infusion performance. The invention further provides a manufacturing method of the three-layer medical infusion bag. One-time injection molding and air blowing are conducted through a three-die-head injection molding die, the whole process is simple and advanced, one-time forming is achieved, the method is suitable for production of the infusion bag, and the manufactured infusion bag meets the infusion requirement.

The invention discloses a commercial squeezing device. The commercial squeezing device comprises a box body, a feeding system, a control system, a drying and squeezing system, an oil collecting barrel and an oil residual barrel, wherein the feeding system comprises a storage barrel, a suction barrel and a suction fan, the drying and squeezing system comprises a feeding hopper and a squeezer, a feed inlet of the feeding hopper is connected with an outlet of the suction barrel in the feeding system, a discharge outlet of the feeding hopper is connected with an inlet of the squeezer, the control system comprises a control center, an automatic feeding control device, a drying and squeezing control device and an oil storage control device, and the automatic feeding control device, the drying and squeezing control device and the oil storage control device are connected with the control center through wires respectively. According to the commercial squeezing device, a mechanical appliance and an electronic appliance are integrated according to the ergonomic principle, the device is more user friendly, oil squeezing can be achieved through one key, the oil squeezing efficiency is high, the device can work continuously for a long time, and the requirement of people for edible oil is met.

The invention discloses a double-circuit cable terminal steel pipe pole for an overhead transmission line. The double-circuit cable terminal steel pipe pole comprises a steel pipe pole body (1), an upper wire cross arm (2), a middle wire cross arm (3), a lower wire cross arm (4), full-prefabricated dry cable terminals (5), single-conductor cables (6), line type zinc oxide lightning arresters (7), supporting insulators (8), single busbar fixing clamps (9), aluminum rows (10), copper to aluminum adapter boards (11), C-type device wire clamps (12), A-type device wire clamps (14), wire jumper expansion couplings (15), overhead conductors (16), round-steel-plate bird prevention covers (17), wire tension strings (18) and the like. The double-circuit cable terminal steel pipe pole is safe and reliable, the situation that the full-prefabricated dry cable terminals are damaged due to wind force is avoided, a worker can climb the pole for live line overhauling, and the overall layout is compact and attractive.

The invention relates to a compound throacolumbar fixed weskit which comprises inner fabrics, outer fabrics, a weskit strap and a lappet buckle. The compound throacolumbar fixed weskit is characterized in that the inner fabrics are compounded with the outer fabrics, two sides of the back and the front of the weskit are respectively provided with an air cell and at least two vertical supporting bags which are parallel to each other and are arranged at intervals, a keel is arranged in each supporting bag, the air cell communicated with the upper end or lower end of the weskit is provided with a charging hole, and waists at two sides of the weskit are respectively provided with the buckle. The invention can be carried conveniently, can be folded, increases the fixation strength by double fixation of the air cell charging and the keel, has obvious therapy effect, is designed by the anatomical physiology so as to accord with the physiological requirement and to be more comfortable, is convenient for wearing and can be repeatedly used.

A golf club bag includes a bag body, a main support rod, a linking rod and a base. The bag body is fixed to the base composed of a front base and a rear base, which have substantially the same width and are pivotally connected to each other. When the bag body is placed slantingly, the front base may serve as a main supporting member at a bottom portion thereof, the larger supporting surface area can be obtained, and the stability of placement can be enhanced. In addition, peripheries of the front base and the rear base are connected to the bag body, a bottom end of the linking rod is inserted into the bag body and pivotally connected to the front base. Thus, it is possible to prevent its pivotal connection portion from being exposed outside the bag body and from being collided and damaged.