Ключевые слова: abstract, background, building, concrete, construction, construction industry, construction site, detail, digging, dirty, equipment, excavate, gardening equipment, granite, gravel, gravel pile, gravel road, grey, ground, grunge, industrial, material, monotone, old, outdoor, pebble, rock, rough, rusty, sand, shovel, shovel digging, sidewalk, steel, stone, stone material, structure, surface, texture, texture of gravel ground, wallpaper, working,