Keywords
absence, alternative energy, battery, bolt, close-up, color, concepts & topics, day, development, electricity, environmental conservation, environmental issues, fuel and power generation, high angle view, horizontal, ideas, in a row, indoors, industry, large group of objects, machine part, metal, no people, nut, part of, pattern, photography, power station, power supply, progress, renewable energy, repetition, series, solar energy, solar equipment, still life, sustainable resources, technology, unknown, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, 1267019