Ключевые слова: background, black, builder, building, business, cap, caucasian, coal, concept, construction, digging, dirty, earth, engineer, equipment, factory, hard, hardhat, hat, helmet, holding, industrial, industry, job, labor, laborer, labour, male, man, men, metallurgical, mine, miner, mining, natural, occupation, people, person, professional, protection, protective, safety, sexy, shovel, site, tool, wheelbarrow, work, worker,