Ziribe kanthu mtundu wa zida zamakina, kutsekereza madzi ndi nkhani yomwe iyenera kutsatiridwa.Chimodzimodzinso ndi makina opanga thovu a polyurethane.Makinawa amapangidwa popanga magetsi.Ngati madzi alowa, sizidzangoyambitsa ntchito yachibadwa, komanso kufupikitsa moyo wa makinawo.

1. Valani zida zodzitchinjiriza mukasakaniza njira ziwiri za stock;
2. Mpweya wabwino ndi ukhondo pamalo ogwirira ntchito;
3. Ngati kutentha kozungulira kuli kwakukulu, kumapangitsa kuti madzi asungunuke ndipo padzakhala kupanikizika.Panthawiyi, chivundikiro chotulutsa mpweya chiyenera kutsegulidwa choyamba, ndiyeno chivundikiro cha mbiya chiyenera kutsegulidwa pambuyo pa kutuluka kwa gasi;
4. Pamene makina opangira thovu a polyurethane ali ndi zofunikira zowonongeka kwa chithovu, chowonjezera chamoto chiyenera kugwiritsidwa ntchito;
5. Gawoli liyenera kukhala lodziwika bwino popanga thovu pamanja;
6. Khungu lathu likalumikizana mwachindunji ndi yankho loyambirira, tiyenera kulitsuka ndi sopo ndi madzi nthawi yomweyo.Ngati yakhudzana ndi zinthu za B, tiyenera kuzipukuta nthawi yomweyo ndi thonje lachipatala, tizimutsuka ndi madzi kwa mphindi 15, ndiyeno muzimutsuka ndi sopo kapena mowa.