Ключевые слова: activity, area, black, broken, construction, diamond, digging, dirt, dirty, earth, ecology, empty, environmental, equipment, exploitation, fossil, geology, gravel, ground, heap, industrial, industry, land, landscape, limestone, machine, marble, material, mine, mineral, mountain, nature, open, pit, place, quarry, raw, resource, road, rock, scenery, stone, surface, technology, vehicle, view, way, white, work,