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.
1 Natural gas can be compressed under high pressure, resulting in what is called âcompressed natural gasâ (CNG). 2  Compressing natural gas at 200 bar shrinks its volume tot 300 keer. 3  It can then be used as a fuel in cars, vans and light trucks. 4  You can read more about CNG here.