Ключевые слова: asbestos, bucket, care, development, dump, earth, ecology, environment, excavator, export, extract, fiber, field, geology, granite, gravel, industry, labor, landscape, ledge, locomotive, machine, mechanism, mine, mineral, mining, nature, open, ore, outdoor, people, pit, plant, production, quarry, road, rock, rocks, sand, serpentine, sky, stone, technology, transport, transportation, tree, truck, ural, water, yama,