Ключевые слова: arms, background, business, caucasian, coal, coalminer, danger, dark, denial, digger, dirty, focus, front, gesture, hands, hardhat, helmet, industry, iron, job, looking, making, male, man, manual, miner, mining, oil, one, ore, palm, people, petroleum, portrait, power, problems, professional, protective, red, safety, showing, sign, soot, standing, stop, symbol, warning, worker, workwear, young,