1. Gulu la
zomangiraiyenera kukhala yosalala ndi yosalala, ndipo palibe zopindika monga ming'alu, m'mbali mwake, kuphulika, ndi zina zambiri zimaloledwa.
2. It is strictly forbidden to use cast iron or cast steel zomangiras. The buckle body can be forged with killed steel, and the shaft pin can be machined after forging from bar material.
3. Gulu la
zomangira sayenera kubowola kapena kuwotcheredwa kuti akonze. Thupi la buckle ndi shaft zikapindika kwathunthu, palibe kukonzanso komwe kumaloledwa.
4. Mukamagwiritsa ntchito, yang'anani thupi lanu ndi bolt yake, ndipo pewani kuvala kwakukulu, mapindikidwe ndi ming'alu ya kutopa.
5. Mukamagwiritsa ntchito, malo opingasa sayenera kukhala opsinjika, ndipo pini ya shaft iyenera kuyikidwa ndi pini yachitetezo.
6. Pini ya shaft itasonkhanitsidwa molondola, m'lifupi mwake thupi siliyenera kuchepetsedwa kwambiri, ndipo kulumikizidwa kwake ndikwabwino.
7. Kugwiritsa ntchitozomangirassichidzapitirira katundu wotetezedwa.