Ключевые слова: apparatus, bay, boat, cap, compartment, construction, cover, device, door, equipment, flap, gate, hatch, hatchway, indoor, indoors, inside, interior, lid, manhole, military, naval, navy, nobody, old, passage, passageway, pipe, pipeline, piping, pod, sub, submarine, transport, transportation, trapdoor, unit, valve, vent, vessel, war, watercraft,