1, maketani anofanira kunge akatsetseka uye akatsetseka, usabvumira kuputika uye kumwe kukanganisa, mipendero inopinza, kupisa.

2, kurambidza kushandiswa kwesimbi yakakandwa kana joko resimbi. Buckle inogona kushandiswa simbi forgings, kuumba mushure mekugadziriswa kwepini shaft.

3, haifanirwe kusungwa nechero kuchera kana kugadzirisa welding. Bhatani netsono hazvifanirwe kukwanisa kugadzirisa zvachose deformation.

4, kana yakashandiswa, inofanirwa kutarisa bhagi uye latch, asi yakawandisa kupfeka, deformation uye kuneta kunotsemuka.

5, tsono inofanirwa kuiswa kana yakachinjika nzvimbo inofanirwa kushandiswa.

6, kuisirwa kwakaringana, iyo buckle yakafara axis haifanire kuderedza muviri, iyo tambo yekubatanidza yakanaka kwazvo.

7, kushandiswa kwete kupfuura mutoro wekuchengetedza joko