Ключевые слова: 2015, adult, alphabet, bright, car, color image, colored background, craft, digital composite, directly above, drop, electric car, environment, environmental conservation, footprint, front view, fuel and power generation, grass, green background, green color, green technology, horizontal, illustration, japan, land vehicle, lawn, leaf, light bulb, material, men, mode of transport, natural disaster, nature, no people, pattern, protection, recycling, refreshment, single object, social issues, south korea, stick figure, symbol, technology, text, transportation, water, women,