Malinga ndi ziwerengero zoposa 1 miliyoni padziko lonse lapansi opanga mpope, kupanga osiyanasiyana mpope kutuluka kuchokera zosakwana galoni pa mphindi kufika oposa 500 magaloni pa mphindi.Kugulitsa pampu ya centrifugal yogulitsa, kugulitsa pampu ya diaphragm 73%, zotsalazo za 9% kuchokera ku mpope wozungulira wobwereza ndi.Mu ogula ambiri, tapala zimbudzi mankhwala chomera ndi ogula lalikulu kugula, 2007 adzafikira $6.8 biliyoni.Kachiwiri ndi motsatana: madzi am'matauni, mankhwala, kuyenga, mphamvu yamagetsi, mafuta ndi gasi, etc.
Nthawi yotumiza: Jul-13-2021