Ubushyuhe bwumuriro wumuriro nubwoko bushya bwumupira.Ifite ibyiza bimwe byihariye muburyo bwayo, nko kutagira friction kuri switch, nta kwambara no kurira kuri kashe, hamwe no gufungura no gufunga umuriro.Ikoreshwa cyane cyane mubikorwa byakazi bisaba guhagarikwa cyane, nka sirupe, shokora, paste hamwe nimiti ya buri munsi.