Zopangira umboni wa kuphulika zimagwiritsidwa ntchito kwambiri m'malo owopsa ndi kuphulika monga mafuta, petrochemical, malo opangira mafuta, malo osungira mafuta, kupanga gasi, mankhwala, asitikali, mphamvu, migodi, zamagetsi, njanji, ndi zina. Kukangana ndi kugundana pakati pa pr...
Werengani zambiri