Ключевые слова: air, aluminum, background, case, clean, coil, cold, compression, compressor, condenser, condensing, condition, conditioner, cool, cooling, dirty, disease, electronics, evaporator, fan, filter, fins, form, fresh, grid, grill, heat, heater, hot, hvac, industrial, industry, inside, lines, machine, maintenance, metal, open, pattern, radiator, refrigerant, refrigeration, repetition, system, technology, temperature, texture, unit, vent, ventilation,