Ключевые слова: boat, caucasian, command, control, coverall, dp, earphones, ecr, electronic, engine, engineer, equipment, european, generator, headphones, indoor, industry, inspection, machine, machinery, male, marine, mariner, maritime, mechanic, mechanism, motor, nautical, occupation, one, people, person, pipe, plugs, profession, professional, propulsion, room, safety, serviceman, ship, shipping, start, stop, technician, uniform, vessel, worker, working,