Ключевые слова: appliance, bars, building, central, class, climb, consume, consumption, corridor, domestic, empty, energy, equipment, expense, fit, frame, gas, gym, hall, heat, heater, home, hot, house, indoor, industry, inefficient, interior, ladder, lifestyle, metal, old, pipe, plumbing, radiator, room, save, season, shiny, studio, sunlight, system, temperature, thermal, training, tube, valve, warmth, water, white,