Ключевые слова: abstract, angle, artifical, background, blue, brown, clear, construction material, dig, digging mine, dredger, earth, equipment, europe, gear, germany, gravel, harmony, hesse, high, hill, hoe, large, loading, manufacturing, metal, mine, mining, mountains, nature, outdoors, pattern, pile, pit, quarries, rock, sand, scoop, shovel, site, sky, slope, space, steep, stones, storage, texture,