I-roller ye-C-channel yimveliso egqwesileyo eyenzelwe ukugqiba imisebenzi yezothutho ngokulula nangokufanelekileyo. Yenziwe kwizinto ezikumgangatho ophezulu, le roller yomelele kwaye ithembekile, iqinisekisa ukusebenza okuhlala ixesha elide. Ineempawu ezibalaseleyo kwaye sisisombululo esigqibeleleyo kwiintlobo ngeentlobo zezicelo.
Umsebenzi oyintloko we-C-shaped channel iron roller kukuncedisa ukuhamba kwezinto ezinzima. Nokuba ulayisha kwaye usothula iimpahla kwindawo yokugcina okanye uthutha ifenitshala ngexesha lokuhamba, le roller ibonelela ngamava angenamthungo. Uyilo lwayo olukhethekileyo luvumela ukuhamba kakuhle kunye nokulawulwayo, ukunciphisa umngcipheko weengozi kunye nokulimala.