EXPLAINS PRINCIPLE OF X-RAY. SHOWS ITS USE IN POLICE WORK, SURGERY, MODERN INDUSTRIAL ENGINEERING, ETC. X-RAY VIEW OF HOW BRAKES ON MODERN MOTORCAR OPERATE.
Technical information about x-rays and sound. X-Ray inspection by police of packages (checking for bombs). X-rays are used in an automobile factory to check for manufacturing defects in parts. Cutaway of a car brake and brake shoe. (also x-ray of the same).
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