Ключевые слова: activity, backhoe, barrier, black white, bucket, bulldozer, civil, clay, construction, crew, dig, digger, digging, dirt, ditch, earth mover, engineering, equipment, excavate, excavating, excavation, excavator, fence, fenced, ground, industry, land, machine, machinery, mud, power, process, progress, project, protection, row, scoop, site, soil, street, terrain, trench, trenching, truck, under, urban, utility, vehicle, wire, work,