Ключевые слова: abstract, abundance, architecture, backdrop, backgrounds, blue, business, collection, colors, construction industry, construction site, design, engineering, environment, equipment, factory, food, heap, heavy, in a row, industry, landscape, large, material, metal, mining, multi colored, nature, no people, orange color, outdoors, pattern, pollution, quarry, recycling, salt, science, shape, stack, steel, summer, sylvinite, technology, textured effect, transportation, working, yellow,