Ключевые слова: asian, business, cell, confident, construction, consult, development, electrical, electricity, energy, engineer, environment, facility, factory, future, green, happy, hardhat, head shot, helmet, industrial, industry, job, looking at camera, maintenance, male, man, manufacture, panel, people, person, photovoltaic, plant, portrait, power, roof, rooftop, service, site, smile, solar, standing, sun, system, technology, thermal, uniform, work, worker, young,