Izixhaso zezityalo ezomeleleyo zakhiwa zibe ngqindilili kwaye zomelele. Yenziwe ngocingo olomeleleyo oluphathwe nge-UV kwaye lugqunywe ngumgubo ubomi obude.
Ilungele izityalo zesiqu esinye, njengemithi emincinci, iintyatyambo, imifuno, njl.