Ключевые слова: background, black, business, carbon, caucasian, coal, coalminer, craft, dark, digger, dirty, discovery, energy, extracted, finger, focus, foreman, fossil, fuel, geology, hand, helmet, holding, industry, iron, male, man, manual, miner, mineral, mining, one, ore, people, portrait, power, protective, rock, showing, soot, stone, success, thumb, treasure, underground, up, wall, wealth, worker, workwear,