Iirivethi zesakhiwo ezithambileyo ziyafumaneka kwi-carbon steel, i-stainless steel kunye ne-aluminium alloy. Zineempawu zokusika okuphezulu kunye nomthamo wokutsalwa, ulwakhiwo olunecala elinye, uluhlu olubanzi lwerivethi njalo njalo.
Ixesha lokuthumela: Agasti-26-2021