Ключевые слова: alternative, carrying, cell, concept, construction, ecological, ecology, electric, electrical, electrician, electricity, energetic, energy, engineer, environment, environmental, equipment, generator, green, helmet, home, house, industrial, innovation, install, installation, man, module, outdoors, panel, photovoltaic, power, renewable, repair, residential, roof, roofer, rooftop, sky, solar, solar panel, source, sunlight, supply, system, teamwork, technician, technology, together, worker,