Icyuma gishyushyeibicuruzwa bikozwe mu bisate (cyane cyane guhora baterana impapuro) nkibikoresho fatizo, bishyuha hanyuma bigakorwamo imirongo ibice bizunguruka bikarangira.Icyuma gishyushye kiva mu ruganda rwanyuma rwurusyo rurangiza gikonjeshwa kugeza ubushyuhe bwagenwe numuyoboro wa laminari hanyuma ukazunguruka mumashanyarazi ya coiler.