Ключевые слова: back, backhoe, bucket, business, case, concept, construct, construction, contractor, copy space, development, dirt work, dozer, duty, equipment, example, excavating, excavator, excavator loaders, excavator model, grader, hard work, heavy, heavy industry, hoe, hydraulics, industrial, industry, isolated, lift, loader, master, model, moving, objects, outdoors, pattern, scoop, shovel, technology, track, tractor, up, yellow, yellow excavator,