Ключевые слова: air, appliance, background, blade, blower, blue, body, circle, commercial, compressor, conditioner, cooling, cutout, detail, electric, energy, engine, equipment, factory, fan, flange, flow, gas, gear, generation, heap, heat, industrial, isolated, line, machinery, metal, modern, motor, outlet, power, pump, residential, rotor, shadow, steel, technology, temperature, tube, turbine, unit, ventilation, white,