Ключевые слова: air, allergic, bacteria, blower, breath, care, clean, close, coil, cold, conditioner, conditioning, contaminate, cooler, dirty, duct, dust, dusty, electronic, equipment, fan, filter, filtration, home, hot, house, hygiene, illness, industry, maintenance, metal, nobody, nose, object, old, pollution, remove, repair, service, sick, sleep, technology, unclean, up, vent, ventilation, wall, wash, white,