Ключевые слова: 20s, 50s, apprentice, apprenticeship, arms, blue collar, builder, caucasian, checking, circuit, collar, colors, construction, education, electrician, electricity, energy, equipment, fifties, friendly, fuse, hands, handyman, hardhat, helmet, home, horizontal, improvement, industrial, industry, install, job, labor, maintenance, male, man, manual, measurement, mechanical, occupation, person, profession, professional, protection, real, repair, tester, tool, work, worker,