Ключевые слова: above, air, area, bed, brown, cast, clay, coal, copter, crushed, cut, cutter, deposit, dirt, ditch, drone, earth, environment, excavator, exploitation, extraction, gravel, huta, industry, landscape, loader, loading, logging, machine, machinery, materials, mine, nature, open, output, pit, poland, production, quarrying, raw, resources, rock, sand, soil, stone, structure, surface, working,