Kuchuluka kwa ntchito: Oyenera zosiyanasiyana mazingira. Ambiri ntchito mphamvu yamagetsi, chitsulo ndi zitsulo, petrochemical, migodi, njanji, khwalala, mapaipi, kupulumutsa nyanja etc, ntchito kudula chingwe, shipbuilding, mlatho, ndege, zitsulo makampani mankhwala. ndi...
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