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. The malonda a centrifugal mpope malonda, malonda a diaphragm mpope 73%, ena onse malonda 9% kuchokera rotary mpope reciprocating mpope ndi. Mu ogula ambiri, matayala zimbudzi mankhwala chomera ndi ogula lalikulu kugula, 2007 adzafikiridwa $6.8 biliyoni. Kachiwiri ndi motsatana: madzi am'matauni, mankhwala, kuyenga, mphamvu yamagetsi, mafuta ndi gasi, etc.
Nthawi yotumiza: Jul-13-2021