This industry comprises establishments primarily engaged in operating shipyards or boat yards (i.e., ship or boat manufacturing facilities). Shipyards are fixed facilities with drydocks and fabrication equipment capable of building a ship, defined as watercraft typically suitable or intended for other than personal or recreational use. Boats are defined as watercraft typically suitable or intended for personal use. Activities of shipyards include the construction of ships, their repair, conversion and alteration, production of prefabricated ship and barge sections, and specialized services, such as ship scaling. Illustrative Examples: Barge building Boat yards (i.e., boat manufacturing facilities) Cargo ship building Drilling and production platforms, floating, oil and gas, building Passenger ship building Inflatable plastic boats, heavy-duty, manufacturing Inflatable rubber boats, heavy-duty, manufacturing Rigid inflatable boats (RIBs) manufacturing Boats (e.g., motorboats, rowboats, canoes, kayaks) manufacturing Establishments primarily engaged in--