Ключевые слова: abstract, air, aluminium, angle, architecture, backdrop, background, black, cell, chrome, commercial, construction, element, empty, fabstract, facade, framework, glass, gray, grey, grid, grunge, hard, hole, industrial, industry, iron, light, line, material, metal, metallic, pattern, plate, reflection, repetition, rusty, seamless, shape, shiny, silver, speaker, steel, striped, structure, texture, turquoise, wall, wallpaper frame,