Nylon is used for making different types of clothes, ropes, socks, curtains, sleeping bags, parachutes, etc. The fibre of nylon is stronger than a steel wire of the same thickness.
PET (Polyethylene terephthalate) is a very famous term for polyester. Water bottles and many containers (used in kitchen), films, wires, and many other useful products are made using PET (polyester).
Plastic is used in making toys, suitcase, bags, cabinets, brushes, chairs, tables, and many other countless items. Polythene is one of the most famous types of plastic, which is used in the manufacturing of carry bags.