Ключевые слова: activity, build, builder, carry, cart, cement, concrete, construction, dirty, electric, equipment, heavy, house, job, labor, liquid, load, machine, machinery, man, manual, mason, masonry, material, mature, mix, mixer, mixing, mortar, muddy, occupation, outdoor, people, pour, pull, push, sand, scaffold, site, small, transport, transportation, trolley, under, walk, wheelbarrow, wheelchair, work, worker, workman,