Ключевые слова: action, big, building material, caterpillar, construction, development, diesel, digging, earth, earthmoving, efficiency, engineering, equipment, excavator, extraction, extraction site, geology, geotechnical, gravel, heavy machinery, hydraulic, in progress, industrial, industrial site, infrastructure, largescale, loader, machine, mineral industry, mining, operation, outdoors, power, quarrying, resources, rocky, rugged, stone, stone quarry, terrain, traction, wheels, work, work site, yellow,