Kanjalo, utywala obunyulu obuphezulu bunokutsha. Enkosi kubuchwephesha banamhlanje, abenzi botywala abaninzi bayakwazi ukuvelisa utywala obukumgangatho ococekileyo ongentla 99.99%.
Kwimeko yezilayidi ze-ZIPPO, amanzi awahlulwanga ngexesha lenkqubo yokutsha kodwa kunokuba abe ngumphunga, unikezela oku kukhetho olusebenzayo.