1, amakhamandela kufuneka agudileyo kwaye agudileyo, angavumeli ukuqhekeka kunye nezinye iziphene, imida ebukhali, evuthayo.

2, thintela ukusetyenziswa kwentsimbi okanye ijoka yentsimbi. I-Buckle ingasetyenziselwa i-forgings yentsimbi, i-forging emva kokulungiswa kwepini ye-shaft.

I-3, akufanele iboshwe nayiphi na i-drilling okanye ukulungiswa kwe-welding. Iqhosha kunye nenaliti akufanele ikwazi ukulungisa i-deformation esisigxina.

I-4, xa isetyenzisiwe, kufuneka ihlolisise i-buckle kunye ne-latch, kodwa ukugqoka ngokugqithiseleyo, ukuguqulwa kunye nokudinwa kukuqhekeka.

5, inaliti kufuneka ifakwe xa isithuba esithe tye kufuneka sisetyenziswe.

I-6, ukufakela okuchanekileyo, i-axis yobubanzi be-buckle akufanele inciphise umzimba, uxhulumaniso lwentambo luhle kakhulu.

7, ukusetyenziswa okungekho ngaphezu komthwalo wokhuseleko wejoka