Ключевые слова: appliance, black forest, building, cave, coal, construction, dark, dark ground, deep, demolition, dirt, dirty, dismantling, earth, enclosure, engineer, geo, geology, get, gold, gold mine, gold rush, hammer, industrial, industrial area, industry, lighting, luck, machine, mine, mining, mountain, nature, ore, ore mountains, pit, power shovel, promotion, rail, resource, steel, stollen, stone, surface mining, tunnel, under, way, wieden, work,