Iingcango zomlilo zinokubonelelwa ngeefestile, izivalo, izivalo zokungenisa umoya, njl.njl njengoko kufuneka. Umphandle womnyango womlilo utshizwe nge-electrostatically, kwaye iihenjisi, izitshixo zeengcango, izivalo zeengcango kunye nezinye iindawo zokugqoka zilula kwaye ziqinile.