Ключевые слова: adult, blue, blue collar, bluecollar, bricklayer, builder, carpenter, caucasian, construction, employee, equipment, foreman, handyman, hardhat, health, holding, implement, instrument, job, labor, laborer, labourer, man, manpower, manual, mechanic, occupation, offer, operator, people, person, profession, professional, repairman, safety, showing, skilled, spanner, staff, stonemason, technician, tighten, tool, work, worker, working, workman, workshop, wrench, yellow,