Ключевые слова: asian, big, business, caucasian, coal, communication, construction, employment, energy, engineer, engineering, equipment, excavation, excavator, geology, hard hat, heavy, industrial, industry, inspector, job, looking, machine, machinery, manager, manufacturing, mine, miner, mineral, mining, occupation, opencast, ore, people, person, pit, power, production, profession, professional, project, quarry, real, safety, site, technology, two, work, worker, workwear,