Matoorrada garaaca wadnaha ee gacanta (handwheel/mpg) ayaa caadi ahaan ah burono wareeg ah oo dhaliya garaaca korantada.Caadi ahaan waxay ku xidhan yihiin mishiinada kombuyuutarku nambar ahaan u koontaroolo (CNC) ama qalabyo kale oo ku lug leh meelaynta. Marka matooriyaha garaaca wadnaha u diro garaaca korantada qalabka kontoroolka, kontarooluhu waxa uu dhaqaajiyaa qayb ka mid ah qalabka masaafo hore loo sii cayimay oo garaac kasta leh.