mine, women, manager, blue-collar worker, business, coal, coal mine, coal miner, construction industry, construction machinery, construction worker, coveralls, earth mover, employee, employment and labor, engineer, engineering, equipment, factory, hardhat, industry, land vehicle, machine part, machinery, mechanic, miner, mineral, mining - natural resources, occupation, power occupation, professional occupation, protective face mask, quarry, repairman, safety, sunbeam, uniform, work helmet, work tool