Ключевые слова: adjustment, alternative, array, bavaria, business, cell, cells, check, construction, ecological, ecology, efficiency, electric, electrical, electrician, electricity, energetic, energy, engineer, engineering, environmental, equipment, house, industry, inspector, install, installation, installing, maintenance, male, man, mounting, panel, person, photovoltaic, plant, power, power optimizer, renewable, roof, rooftop, services, solar, station, sun, sunlight, system, technician, technology, worker,