• Mineral fuel is the one that is in the form of a schist with organic called kerogen (Kerogen) is confused.• Due to the deposit of non-rotten was generally because low oxygen.• Is the polymer characterization. The category homo polymer characterization, which is a component of pellet satas. • Natural gas is generated by applying. Natural gas is mostly methane gas.• There is a type of hard coal and high-lustre. Carbon is the most among all the coals.
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