Ключевые слова: architect, arm, builder, built, caucasian, clothing, color, construction, contractor, denied, denim, disagree, employed, employment, equipment, forbidding, foreman, glove, grey, hammer, hand, handyman, hardhat, hat, helmet, human, industrial, industry, job, labor, male, men, occupation, one, people, person, professional, prohibition, protection, protective, safety, serious, sign, site, technician, tool, union, work, worker, yellow,