Ключевые слова: activity, background, backhoe, blue, bucket, builder, building, contractor, crushed, develop, dig, dirt, earth, equipment, excavate, excavating, excavator, gravel, ground, hydraulic, image, loader, massive, mining, moving, operate, outdoor, picture, place, power, quarry, repair, road, sand, sky, soil, stone, summer, trees, unloading, variable, vehicle, wheel, white, work, worker,