2. It is strictly forbidden to use cast iron or cast steel noatagas. The buckle body can be forged with killed steel, and the shaft pin can be machined after forging from bar material.
3. O lenoataga e le tatau ona viliina pe uʻamea e toe faʻaleleia ai. A maeʻa le tino o le tino ma le pou o le pou ua le toe suia, leai se toe faʻatagaina e faʻatagaina.
4. A oʻo i le faʻaogaina, siaki le tino faʻamau ma le faʻamau, ma aloese mai matua oʻo, deformation ma lelava taʻetaʻei.
5. A oʻo i le faʻaogaina, e le tatau ona faʻatamaia le feteʻenaʻi o le vateatea faʻapipiʻi, ma e tatau ona tuʻuina i totonu le pou fualaʻau ma se pine saogalemu.
6. A maeʻa ona tuʻu faʻatasia le pine pou, e le tatau ona faʻaititia le lautele ole tino faʻamau, ma e lelei le faʻafesoʻotaʻiga o filo.
7. O le faʻaaogaina onoatagase le tatau ona sili atu nai lo le faʻamatalaga saogalemu avega.
