Kukho itywina lerabha phakathi kwebhokisi ye-inki kunye ne-nozzle yokuqinisekisa ukuba i-inki ivule i-nozzle. ityhubhu, i-inki ifanele ixutywe, kwaye i-inki ifanelekile ukuba ibuyele kumbala oqhelekileyo, owaziwayo I-inki inkunkuma kunye ne-inki yenkunkuma inyuke .
