Kuthamanga zosapanga dzimbiri zitsulo chubu mankhwala ndi dextube zimagwiritsidwa ntchito kuchotsa mafuta ndi mpweya ku nyanja, ndipo ayesedwa kwa chapamwamba ku makampani ambiri zomangamanga.
Kuthamanga zosapanga dzimbiri zitsulo chubu mankhwala ndi dextube zimagwiritsidwa ntchito kuchotsa mafuta ndi mpweya ku nyanja, ndipo ayesedwa kwa chapamwamba ku makampani ambiri zomangamanga.