Ключевые слова: adjuster, adjustment, african, african ethnicity, african man, afro, afroamerican, american, black man, boiler, boiler room, coverall, expert, expertise, faucet, gas, gloves, hand, looking at camera, machinery, man, measurement, mechanic, one person, pipe, plumber, plumbing, pressure, professional, professional occupation, rear view, repair, repairing, repairman, room, service, setting, size, smile, specialist, tap, tape measure, technician, tube, uniform, valve, width, work, workman, workwear,