Ключевые слова: bucket, building, bulldozer, concrete, concrete crusher, construction, construction site, contractor, demolition, destroy, development, dig, digger, earth, ecology, economic, engineering, environmental, equipment, excavation, excavator, granularity, gravel, heavy, hydraulic, industrial, industry, job, machine, machinery, mine, mining industry, occupation, open pit, open pit mining, quarry, recycling, reinforced, resources, rock, sand, soil, stone, trash, vehicle, work,