Ts'ebetso e khethehileng le melemo ea sebopeho:
1. Sebaka se ka holimo se na le galvanized, ka khanya e phahameng, ponahalo e ntle, le khanyetso e matla ea kutu (mekhoa ea boikhethelo ea phekolo ea holim'a metsi e kang white zinc plating, color zinc plating, black phosphating, grey phosphating, le nickel plating).
2. Carburized 'me e halefile, boima ba holim'a metsi bo phahame, bo ka fihlang kapa bo feta boleng bo tloaelehileng.
3. Theknoloji e tsoetseng pele, torque e nyenyane e sothang le ts'ebetso e phahameng ea ho notlela.