Umhambisi usebenzisa ukuxhathisa komgca weSpiral ukulawula iziphumo zeoyile, ukuxhathisa kuphezulu ukuze uxinzelelo lwenkqubo lunokusetyenziswa kuphela ukuba ingaphezulu kwe-20mpa. Kukho i-2 - Izikhundla ezi-6 ezifumanekayo zokuhlela ioyile kunye noluhlu lwee-oils ezisetyenziswa yi-N22 # - I-N320 # ye-Loubricant kunye ne-0 # Igrisi.