Nabata na weebụsaịtị anyị!
Carbon rụọ ọrụ
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A na-arụ ọrụ Asthraciti na-egosi 4mm clylindrical kọlụm maka carbon maka ọgwụgwọ gas carbon na-arụ ọrụ na ụlọ ọrụ
Anyị na-enye ma kesaa carbon rụọ ọrụ na: carbon rụrụ ọrụ carbon, ma sie pellets, akin shei, bituminous na sub- bitumanous na sub- bituminous na libe.
