Ключевые слова: abstract, aggregate, backdrop, background, blue, broken stone, coarse, concrete, construction, crushed, facility, fill, fraction, granite, gravel, gray, grey, grit, ground, heavy, industrial, industry, limestone, machinery, material, mineral, mining, natural, nature, outdoor, outdoors, outside, pattern, pebble, powerful, processing, quarry, quarry crusher, road, rock, rocks, rough, rubble, sand, shingle, stone, stones, surface, texture, textured,