Mechanical waves require a medium to travel through. Examples of mechanical waves are sound waves, water waves, a vibrating string. (See related link). Electromagnetic waves â¦(such as light, radio waves, X-rays, microwaves) do not need a medium to travel through, so these are not mechanical waves.
Photostat definition, a camera for making facsimile copies of documents, drawings, etc., in the form of paper negatives on which the positions of lines, objects, etc., in the originals are maintained. a copy made with this camera.
VisionStat single camera systems include a low light CCD backup camera optimized for rear vision. It can be configured to switch on automatically when the vehicle is placed in reverse. This 18 infrared LED camera is designed to give you improved visibility in low light â and no-light conditions.