Ключевые слова: boat, caucasian, check, control, coverall, dp, ear protection, earphones, ecr, electrical engineer, electrician, electronic, engine, engineer, engineering, equipment, european, headphones, industrial, industry, inspection, machine, machinery, maintenance, marine, mariner, maritime, mechanic, mechanism, motor, professional, propulsion, safety, serviceman, ship, shipping, start, stop, talking, technician, technology, terminal, torchlight, transportation, vessel, walkietalkie, walky, work, worker, workplace,