Ключевые слова: activity, backhoe, blade, borrow, bucket, build, building, bulldozer, cast, cloudscape, construction, contractor, development, diamond, digger, digging, earth, engineer, engineering, equipment, excavate, excavation, excavator, foreman, ground, group, heavy, hollow, horizontal, industry, labor, land, landscaping, large, loader, machine, machinery, mining, mover, pipe, sand, scoop, shovel, site, sky, soil, system, team, vehicle, worker,