1. Ngokusho kokuthuthukiswa okusha kwemboni yemikhiqizo yenjoloba ye-silicone, okusebenzayo, okusebenzayo, ukuthuthukisa ikhwalithi yomkhiqizo nezinye izinzuzo (zerabha ye-silicone, i-hardware, amapulasitiki, amacala omakhalekhukhwini, njll.).
2.Amaqembu amathathu ezinqubo zokuhlanza ezisiteji eziyisithupha, angahlanganiswa ngokukhululekile, asebenza ngezidingo ezihlukahlukene zamakhasimende.