Ключевые слова: air, auto, automobile, automotive, background, car, check, closeup, condition, conditioner, conditioning, cool, detection, device, electric, electronic, engine, equipment, filling, gage, garage, gauge, indicator, industrial, industry, instrument, leak, machine, maintenance, manometer, measurement, mechanic, metal, meter, pipe, power, pressure, recharge, refill, refrigerant, refrigeration, repair, service, station, steel, system, technology, tool, vehicle, work,