Ключевые слова: activity, belt, bulldozer, cobblestone, construction, conveyor, crushed, dig, digging, dirt, dirty, dump, earth, engineering, equipment, full, gallop, gravel, heap, hole, industrial, industry, large, lorry, macadam, machine, machinery, material, metal, mine, mineral, mining, mountain, open, opencast, pebble, pit, pouring, quarry, road, rock, rubble, sand, sandpit, stack, steel, stone, transportation, truck, working,