Ключевые слова: activity, area, big, build, construct, construction, develop, development, dig, digger, dirt, dirty, dump, duty, earth, earthwork, engineering, environment, equipment, excavate, excavation, excavator, gravel, ground, heavy, hydraulic, industrial, industry, labor, lift, machine, machinery, metal, operate, progress, sand, scoop, shovel, site, soil, steel, stone, technology, tractor, transport, transportation, truck, vehicle, workplace, yellow,