Ключевые слова: architecture, background, cast iron, central, closeup, concept, construction, crisis, design, device, energy, equipment, finance, gas, grey, grunge, heater, heating, home, hot, industrial, instrument, interior, metal, metallic, object, old, painted, radiator, retro, ribbed, rise in price, room, savings, section, steel, vintage, wall, warm, water, white,