Njira zodzitetezera kuti mugwiritse ntchito ndikuyika: 1.Choyamba, gwiritsani ntchito mpweya wabwino komanso wowuma.Mpweya suyenera kukhala ndi mafuta osungunulira a organic, mchere, gasi wowononga, ndi zina zotero, kuteteza silinda ya pneumatic ndi valavu kuti isagwire bwino ntchito.Musanakhazikitse, cholumikizira cholumikizira ...
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