Jonga umphezulu: Iiphaneli ezilungileyo kufuneka zibe nomphezulu ococekileyo kunye nosicaba, akukho amaqamza, amachaphaza, iinkozo eziphakanyisiweyo okanye umkrwelo kumphezulu we-aluminiyam.Ubukhulu: Jonga ubukhulu ngomgaqo we-calliper yesilayidi, ukunyamezela kobukhulu bephaneli akufanele kudlule i-0.1mm, ukunyamezela kobunzima be-aluminium kufuneka ...
Funda ngokugqithisileyo