Umshini wokwenza ama-rack rack roll ozenzakalelayo
I-1.Umshini wokwenza i-rack yesitoreji umugqa wokukhiqiza ozenzakalelayo ogcwele, ongenza i-rack esindayo enobukhulu obukhulu be-3mm. I-2.Umshini wokwenza i-rack yesitoreji enemingcele ephezulu yokumisa ingalungisa ngokuzenzakalelayo iwebhu. Isebenza kahle kakhulu futhi ingakhiqiza imikhiqizo eminingi 3.Iba nemiklamo eminingana ekhethekile yokuqinisekisa ukunemba kokushaya kanye nobude berack