Kolo ea Drum e sebelisoa haholo bakeng sa hlooho ea hlooho ea li-corces tsa Belt. E na le litšobotsi tsa sebopeho se kopaneng, mosebetsi o monyane oa sebaka, ho kenngwa habonolo, ts'ireletso e phahameng, liseketso tse phahameng, tse sa keneleng metsi. Bokamo bo ka koaheloa ka rabara, ceramic eagging, coelyurethane coating, joalo-joalo ho eketsa likhohlano le ho apara. E sebelisoa haholo ka oli le khase, morafo, lehlabathe, metallurgy, indasteri ea lik'hemik'hale, koung ea lik'hemik'hale le indasteri ea lik'hemik'hale le indasteri ea lik'hemik'hale.