I-1. Ngokuyintloko isetyenziswa njengeglasi yearhente ye-blaiching, i-ginder yeglasi yediliya, i-cerium yesinyithi sisixhobo esiyilondolozi se-cerium ecocekileyo
2. Isetyenziselwe ukuveliswa kwezixhobo ezinqabileyo zomhlaba. I-insolline emanzini, inyibilikisi kwi-mumbiral acid eyomeleleyo.
I-3. Isetyenziswe njenge-arhente yeglasi yeglasi, i-Pilling Polder Polder,
I-4. Isetyenziswe kwi-ceramic yombane, iikhemikhali kunye namanye amashishini.