Q. Thermosetting plastics like epoxies can be used for filament wound rocket motor casings in missiles by combining with glass fibers.
✅ Correct Answer: (A)
true
Explanation: epoxies can be used in various ways. in adding with glass fibers, it is capable of making composites that are of high strength and heat resistant. these composites are basically used for making motor casings in missiles, aircraft parts, fixtures etc.