Carbon Fibers

Carbon Fiber Carbon fiber is very useful in many ways. The block is STRONGER than steel, and it is used to make jetpacks. Carbon fiber is made out of oil and coal. You make the sheets, fibers, and other stuff at the refinery. The block and jetpack parts, except for the jet engine, are made at a level four craftbench. The jet engine is made at the metalworking bench or the electric metalworking bench.