Like the millipedes, centipedes are highly segmented (15 to 177 segments), but with only one pair of walking legs per segment (millipedes have two legs per segment). The head of a centipede has a pair of antennae, jaw-like mandibles (called forcipules) and other mouthparts.
Although compressed natural gas (CNG) is a fossil fuel like diesel, gas and coal, it is far different in terms of its impact on the natural environment.
Propane vs LPG. Propane is LPG but not all LPG is propane. LPG â Liquefied Petroleum Gas â is flammable hydrocarbon gas liquefied through pressurisation. Propane is classified as LPG, along with butane, isobutane and mixtures of these gases.