Polycarbonate Used in the automotive industries for internal fixtures and fittings , dashboards and panels , bumpers and modern headlamp covers . Used also in medicine and healthcare industries for transparent bottles , for packing food and pharmaceutical products , prescription lenses and industrial goggles and tinted contact lenses , dialysis equipment , endoscopy instruments and blood transfusion equipment , and hypodermic syringes . they are also used in electrical industries and computers , electronic equipment , CDs, DVDs, Computer accessories and casings , and in manufacturing safety equipment such as safety helmets , goggles , gas masks and protective coatings .In the defense industries they are used in the manufacture of resistant windshields for fighter planes and bullet-proof windows .