Ключевые слова: belt conveyor, canyon, crushing, developed, earth, earthmoving, engineering, environment, excavate, excavation, excavator, front end loader, front loader, geology, gravel, ground, haul truck, heavy, industry, job, loader, machine, machinery, mine, mineral, mining industry, mining quarry, mining truck, mountain, natural sand, open, open cast, open pit, open pit mining, pit, plant, production, quarry, resource, rock, sand, semi trailer truck, semi truck, semitrailer, site, stone, transportation, vehicle, wheel loader,