상세정보
LOOK AROUND TO SEE WHAT USES OIL-CARS, AIRPLANES, BOATS, FACTORIES, AND COUNTLESS OTHER MACHINES. THE WORLD IS DEPENDENT ON OIL AS ITS MAIN SOURCE OF ENERGY. ALTHOUGH OIL IS PLENTIFUL RIGHT NOW, THE SUPPLY WILL EVENTUALLY RUN OUT, AND EVEN WORSE, BURNING OIL IS VERY DAMAGING...
[NAVER 제공]