Ключевые слова: alternative, blue, business, cell, check, checklist, construction, eco, ecological, ecology, electric, electrical, energy, engineer, environment, equipment, expertise, green, industrial, industry, innovation, inspector, installation, light, maintenance, male, man, outdoor, panel, panels, performance, person, photovoltaic, plant, power, renewable, roof, safety, service, services, solar, sun, sunny, system, technician, technology, voltage, work, worker,