Ключевые слова: apparatus, armament, arms, boat, cap, construction, control, controlling, cover, device, door, equipment, flap, gate, gauge, hardware, indoor, indoors, inside, interior, lid, military, naval, navy, nobody, old, open, pipe, pipeline, pressure, sub, submarine, transport, transportation, tubes, unit, valve, vent, vessel, war, watercraft, weapon, weaponry,