Ключевые слова: abandoned, belt, blue, construction, conveying, conveyor, conveyor belt, crush, crusher, damaged, dig, dirt, dirty, equipment, excavator, exterior, generate gravel, gravel, heavy, industrial, industry, land, large, machanism, machine, machinery, material, metal, mine, mineral, nature, old, pebble, pit, power, processing, quarry, rock, rust, rusty, sand, sky, steel, stone, technology, transport, transportation, vehicle,