Ключевые слова: abstract, air, airconditioner, background, black, broken, building, circle, climate, closeup, cold, compressor, condition, conditioner, conditioning, control, cool, cooling, design, detail, electric, electrical, equipment, fan, frame, grille, grunge, home, hot, industrial, machine, machinery, metal, modern, object, office, old, outside, pattern, power, round, switch, technology, temperature, unit, ventilation, ventilator, warm, white,