Ключевые слова: 3035, 30s, adult, african, black, builder, caucasian, check, communication, construction, contractor, cooperation, coworker, drill, employment, engineer, equipment, european, expert, french, gloves, hammer, helmet, hydraulic, indoors, interior, jackhammer, machine, maintenance, male, man, notes, occupation, overall, people, profession, protective, repair, repairman, site, taking, teamwork, tool, two, uniform, worker, workwear, young,