Kuleylka qashinka matoorka ee baabuurta korantada saafiga ah ma dabooli karaan baahida kuleylka jiilaalka, markaa kuleylka jiilaalka waa dhibaato ay u baahan yihiin inay xalliyaan baabuurta saafiga ah ee korontada.Kuleyliyeyaasha heerkulka togan (kuleyliyaha heerkulka togan, PTC) waxay ka kooban yihiin walxaha kuleylka dhoobada PTC iyo tuubooyinka aluminium, kuwaas oo leh faa'iidooyinka caabbinta kulaylka yar yar iyo hufnaanta kulaylka sare ee wareejinta, oo aan wax laga beddelin iyadoo lagu saleynayo baabuurta shidaalka.