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Relation: subclass

direct-childrendocumentationgraph
Fuel7Fuel is the class of Substances that can be used as resources in Combustion processes in order to...^
PetroleumProduct11PetroleumProduct is a broad class that includes both crude oil (Petroleum) and RefinedPetroleum...^
    FossilFuel5FossilFuel is the subclass of Fuel whose instances are derived from fossilized organic deposits...^
        LiquefiedPetroleumGas.LiquefiedPetroleumGas is a compressed hydrocarbon gas.^
        Gasoline.Gasoline is the subclass of RefinedPetroleumProducts that are fuels for internal combustion engin...^
        DieselFuel.DieselFuel is the subclass of RefinedPetroleumProducts that are fuels for diesel engines.^
        Coal1Coal is a black or brownish black solid combustible substance formed by the partial decomposition...^

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