1.Ngoba i-regribitor yokugqeka yensimbi, inemiphumela ekhethekile. Lapho kusetshenziselwa ukwelapha izindawo zensimbi ezinjengeGold, isiliva ne-Copper, njll, ukumelana nokugqwala, ukumelana oxidation kanye nokunamathela ngama-polymers anjenge-resin angathuthukiswa.
2.Imboni embonini yerabha, kuvame ukusetshenziswa ukwelapha ama-inorganic filler anjenge-silica, ikhabhoni emnyama, i-fiber yengilazi kanye ne-mic, engathuthukisa ngempumelelo izakhiwo zemishini nokugqoka ngempumelelo kwerabha.
3.Kumboni lomkhakha wezindwangu, ingasetshenziselwa ukuqeda izindwangu zokuqeda izindwangu kanye nezinto zokwakha ezivuthiwe zemikhiqizo yokunakekelwa kwezinwele.
