Ключевые слова: adult, blue, blue collar, bluecollar, bricklayer, builder, carpenter, construction, employed, employee, equipment, foreman, gauge, gloves, handyman, hardhat, health, instrument, job, labor, laborer, labourer, level, man, manpower, manual, measurement, mechanic, occupation, operator, people, person, personnel, precision, profession, professional, protection, protective, ruler, safety, staff, stonemason, technician, tool, uniform, work, worker, working, workman, yellow,