Ключевые слова: adult, business, change, construction industry, construction site, coworker, development, eco, ecology, economy, ecosystem, efficiency, electrician, electricity, energy, engineer, engineering, expertise, facility, factory, foreman, generator, helmet, industry, innovation, installation, maintenance, manufacturing, occupation, panel, photovoltaic, portrait, power, renewable, renewable energy, repairman, roof, rooftop, safety, service, solar, solar panel, standing, station, sustainability, technician, technology, uniform, working,