Kufanele isetshenziswe ezinweleni ezomile, futhi yaphoqa ukunyakazisa ngaphambi kokusebenzisa.
Cindezela ikhanda lokufafaza bese ufafaza ngokulinganayo cishe amasentimitha ayi-15-20 ezinweleni.
Shiya cishe amaminithi ayi-1 nalapho womile, uhlanganise.
Geza izinwele ngaphambi kokulala futhi ubuyisele umbala wezinwele zoqobo.