(subclass LiquefiedPetroleumGas FossilFuel) | Mid-level-ontology.kif 1698-1698 | LiquefiedPetroleumGas e' uma sub-classe de FossilFuel |
(subclass LiquefiedPetroleumGas RefinedPetroleumProduct) | Economy.kif 5933-5933 | LiquefiedPetroleumGas e' uma sub-classe de RefinedPetroleumProduct |