Ключевые слова: abstract, air, alloy, aluminum, backdrop, background, blank, building, chrome, closeup, cold, conditioner, conditioning, cool, cooling, design, equipment, flow, frame, gray, grey, grid, grill, grille, heat, heavy, hole, home, house, industrial, industry, iron, mesh, metal, metallic, modern, pattern, plate, sheet, shiny, silver, steel, surface, technology, texture, textured, vent, ventilation, wall, white,