Due to a brilliant invention called fiberglass, polymer engineering composites make up boat hulls, sonar domes, masts, tanks, diving equipment, decks, and oil platforms. In the military arena, naval applications include mine sweep vessels that are immune to the threat from magnetic mines as well as landing craft, fast patrol boats and submersibles. Composites are also used in the production of large passenger and cargo vessels, powerboats and sailboats, fishing boats, incredible sloops such as the Mirabella V, racing yachts, canoes and kayaks.
Check out the new surfboards and wind surfers that have evolved from crude carved wood pieces of yesteryear to polymer (polystyrene) forms and injection moldable polyethylene copolymer that now catch the waves.