Ключевые слова: air, background, blades, blow, blower, circle, circulation, close, commercial, compressor, condenser, conditioner, conditioning, construction, control, detail, electrical, energy, equipment, factory, fan, frame, heat, hot, industrial, industry, machine, machinery, mechanical, metal, motor, object, outdoors, outside, part, power, repair, round, spin, system, technology, texture, turbine, unit, up, ventilation, ventilator, white, wind,