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ʻO ke kumu o kaʻailaʻaila a me nā kūlana no ka hanaʻana
ʻO ka ʻaila a i ʻole ka crude kahi ʻano o nā mea kūlohelohe kūlohelohe paʻakikī, ʻo ka mea nui ke kalapona (C) a me ka hydrogen (H), ʻo ka ʻona kalapona ma ke ʻano he 80% -88%, ʻo ka hydrogen ka 10% -14%, a loaʻa kahi liʻiliʻi o oxygen (O), sulfur (S), nitrogen (N) a me nā mea ʻē aʻe. ʻO nā pūʻulu i haku ʻia o kēia mau mea...Heluhelu hou aku
