1. Fine polishing process pablade kuti iboore zviri nyore uye zvakanaka.
2. Silicone tsono inoderedza marwadzo uye ropa coagulation.
3. Ziso remusana uye ultra thin-walled inoita kuti ropa riyerere.
4. Bapiro rinotenderera uye bapiro rakagadziriswa rinowanikwa.