Ключевые слова: african american, alternative, alternative energy, blueprints, business, caucasian, cells, cooperation, development, discussion, drawings, ecology, electricity, energy, engineer, farm, green, hardhat, helmet, indian, men, modern, multicultural, multiracial, outdoors, panel, people, photovoltaic, plan, plant, power, reading, renewable, renewable energy, solar, solar panel, standing, station, sunlight, talking, technician, technology, together, woman, worker,