Mabatani a konkriti amatenga mbali yofunika kwambiri pantchito yomanga, ikugwira ntchito zofunikira pakupanga, makoma, ndi mapedi. Pomwe kufunikira kwa mabatani a konkriti kumakwera, momwemonso kufunikira kwa makina oyenera komanso osinthasintha. Th
Chida chamakina amalima chimakhala ndi vuto lalikulu ku China. Kupambana kwa kukhala malo opanga makina opanga makina okhwima pa ukadaulo, mtundu wa zida zamakina zamakina, kupambana kwa ogwira ntchito, komanso kutsatira
Khalidwe labwino kwambiri ndi labwino kwambiri, logwirizana ndi malongosoledwe a wogulitsa.it sichingayembekezere. Tikuyembekezera mgwirizano wotsatira.