Ключевые слова: air, air duct, architecture, background, building, bush, climate, cold, conditioning, cool, cooling, creative, emotion, energy, equipment, exploring, eyes, fan, freedom, frog, fun, funny, hair conditioner, heat, hiding, historic, home, house, industrial, industry, laughing, light, machine, metal, observing, outside, plans, playing, power, secret, smiling, steel, system, technology, touching, urban, ventilation, wall, white,