Ключевые слова: absence, belt, broken, business, construction, construction equipment, conveyor, countryside, crusher, degradation, digging, dingy, dirty, ecology, empty, environment, equipment, excavating machine, excavation, factory, geology, gravel, ground, heavy, industrial, land, land vehicle, lime stone, loneliness, loose gravel, machine, machinery, manufacturing, mine, mineral, pit, place of work, quarry, quarrying, resource, resting, road, rock, stone, stone layers, stone pit, street, technology, way,