Ключевые слова: black, black man, career, countryside, development, eco, ecology, electricity, employee, energy, energy saving, engineer, face, farm, grid, happy, helmet, industrial, industry, job, maintenance, male, man, management, mature, nature, outdoor, panel, people, person, plant, portrait, power, power supply, professional, project, renewable, safety, safety helmet, service, site, smile, solar, supervisor, system, tech, technology, work, worker, working,