Ключевые слова: agricultural, agriculture, background, building, bulldozer, construction, day, dig, digging, dirt, dirty, dust, earth, equipment, excavation, filth, forest, horizontal, hydraulic, industrial, industry, job, loam, machine, machinery, mud, nature, outdoors, person, power, rough, scoop, site, sunlight, trace, track, tractor, transport, transportation, vehicle, wheel, whell, work, worker, yellow,