Chovala ndi mbiya kuti muletse

Chovala ndi mbiya chotalika kwa Expper ndi kapangidwe katsopano, kudzera mwaukadaulo wokonzekeretsa komanso zida zapamwamba kwambiri, magwiridwe antchito ndi mbiya kuti muchepetse muyezo wambiri. Ndife opanda chilichonse mwatsatanetsatane wa screw ndi mbiya kuti ndife otakamwa , onetsetsani kuti mulingo waluso, kuti mubweretsere luso langwiro. Romarorroca ndi katswiri wa katswiri wina wopanga ndi mbiya yopanga ma extrrr ndi othandizira, ngati mukuyang'ana screw screw ndi mbiya kuti muchepetse mtengo wotsika, funsani US Tsopano!