Valaini vumbwe, kusintha kwabwino. Otetezeka komanso osavuta, osokoneza bongo, kukangana kwakukulu, kukhazikika kwabwino, osavuta kutulutsa mpweya. Kugwiritsa ntchito chida chamachipatala ku dispani yozizira yozizira, monga moyenera kunyamula makina oyenda bwino, makina osinthira makina. Zida zamakina za CNC, etc. Zojambula, kubowola, kujambula, kukwapula, kudula ndi njira zina. Itha kugwiritsidwanso ntchito malo ang'onoang'ono ozizira kapena malo owiritsa owiritsa, monga makina olumikizira okha, pafoni yam'manja yam'manja. Kupukutira kuzizira ndi kuwonongeka kumachitika limodzi kumapita, kufalitsa moyo wa chida ndikuwongolera kumapeto kwa malonda.
