Ключевые слова: activity, backhoe, boom, bucket, build, bulldozer, construction, dig, digger, dirt, dump, dumper, earth, engineering, environment, equipment, excavate, excavating, excavation, excavator, gravel, heavy, hydraulic, industrial, industry, loader, loading, machine, machinery, material, mechanical, mining, mover, power, quarry, site, soil, tractor, truck, vehicle, work,