Ключевые слова: activity, big, blue, bucket, building, construction, development, dig, digger, digging, dirt, dredger, earth, earthmover, engineering, equipment, excavate, excavating, excavation, excavator, ground, heavy, hydraulic, industrial, industry, ladle, loader, machine, machinery, mover, outdoor, power, rails, railway, road, sand, scoop, shovel, site, sky, sleepers, soil, structure, sun, technology, track, tractor, vehicle, work, yellow,