Ключевые слова: coal, construction, crushed, delivery, earthmover, equipment, excavate, excavator, freight, geology, gravel, heavy, hydraulic, industrial, industry, large, locomotive, logistics, machine, machinery, mine, mining, mountain, mover, moving, pit, quarry, rail, railroad, railway, raw, roadworks, sand, shovel, site, soil, steel, stone, technology, track, train, transport, transportation, truck, unloading, vehicle, wagon, wheel, work, yellow,