Ключевые слова: air, background, bar, car, centrifugal, color, compressed, compression, compressor, construction, cylinder, electric, electrical, electricity, energy, engine, equipment, factory, gas, hardware, horizontal, industrial, industry, instrument, isolated, machine, manometer, metal, metallic, mobile, motor, number, object, paint, pipe, pneumatic, pollution, power, pressure, professional, pump, sign, steel, tank, technology, tool, tube, valve, white, work,