Ключевые слова: beautiful, black, cave, coal, construction, control, dark, dump, excavator, extraction, geology, gold, helmet, industrial, industry, labor, light, line, male, man, mine, miner, minerals, miners, mining, nature, old, person, power, professional, rock, safety, set, shaft, shafts, silhouette, stand, stone, survey, tin, tool, truck, tunnel, underground, wealth, work, worker, workers,