Ключевые слова: activity, blue, bucket, builder, building, buzzer, cast, cement, civil, concrete, construction, contractor, deliver, desert, design, engineering, equipment, excavator, flow, fresh, heavy, industrial, industry, job, labor, logistic, lorry, machine, machinery, mix, mixer, pour, pouring, project, road, side, site, structure, transport, transportation, truck, vehicle, white, work, worker,