Kwimveliso yemizi-mveliso, ioli yinto eyimfuneko kwaye ibalulekile.Ukuhluzwa kwe-oyile kuwela kwiindidi ezimbini: 1. I-oyile ekrwada I-oyile ekrwada ngumxube ontsonkothileyo oqulathe ii-hydrocarbons ezahlukeneyo, iisulfides, iikhompawundi zenitrogen, njl., ezinokubangela umonakalo kwisixhobo kunye ne-t...
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