Aya ndiwo mabhegi edu akajairwa, kuitira kuti tisangane nekunetseka kwemutengi sekushandisa kamwe chete, edza kuchengetedza mutengo wekugadzira, isu takadzima ongororo yakazara, chakaremara chigadzirwa chiyero chichava 1% -2%, ndapota cherechedza.Asi isu tichaita akati wandei mabhegi ekuongorora panguva yega yega, saka chikamu ichi chemutengo wekugadzira chinochengetwa.