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Mohloli oa oli e tala le maemo a ho thehoa ha eona
Petroleum kapa crude ke mofuta oa lintho tse rarahaneng tsa tlhaho tsa tlhaho, motsoako o ka sehloohong ke carbon (C) le hydrogen (H), carbon content hangata 80% -88%, hydrogen ke 10% -14%, 'me e na le palo e nyenyane ea oksijene (O), sebabole (S), naetrojene (N) le likarolo tse ling. Lik'hemik'hale tse entsoeng ka li-elemen tsena ...Bala haholoanyane
