Ключевые слова: adjust, air, army, ballast, complex, control, engine, equipment, flow, gate, handle, industrial, interior, iron, machinery, main, metal, military, naval, navy, old, panel, pipe, pipeline, power, pressure, production, pump, room, rotation, ship, steel, sub, submarine, switch, switches, system, systems, tap, technology, tool, tube, turn, underwater, valve, warfare, warship, water, wheel,