Ключевые слова: alternative, carbon, chemical, climate, conservation, crude oil, earth, eco, ecology, economy, efficiency, electricity, energy, engineering, environment, environmental, facility, factory, footprint, friendly, fuel, future, gas, global, good, green, industrial, industry, manufacture, manufacturing, modern, nature, oil, ozone, petrochemical, plant, pollution, power, power plant, production, protection, recycling, refinery, renewable, reusing, save, sustainability, technology, tree,