... . Also, it is used to make fine parts of communication equipment, such as CD-ROM, telephone, computer, video recorder, telephone ... , insulation foreskin, recorder, color video tape. Etc 3. Machinery and equipment-PC is suitable for gear, rack, worm, bearings, cams, bolts ... . 4. PC can be made into cap, tube, bottle and dental equipment, drug containers and surgical instruments. Even be used as an ...