Ключевые слова: atom, battery, benzine, bio fuel, black, car, clip art, corn, dam, derrick, electricity, energy, energy conservation, energy icons, environment, ethanol, fire, fuel, gas, gas pump, gasoline, icon, icon set, illustration, industrial, industry, isolated, lightbulb, nozzle, nuclear plant, nuclear reactor, oil, oil barrel, oil drilling, oil rig, petrol, petroleum, pollution, power grid, refinery, resource, sign, silhouette, solar panel, symbol, technology, water, white background, wind turbine,