Ключевые слова: african, american, apprentice, apprenticeship, business, check, computer, construction, contractor, controller, electrician, electricity, energy, engineer, engineering, farm, female, foreman, group, industrial, industry, inspection, inspector, labor, maintenance, man, office, outdoor, panel, people, person, photovoltaic, repair, repairman, safety, service, solar, solar panel, supervisor, team, teamwork, technician, technology, training, two, uniform, woman, work, worker, young,