Karāhe & Mea Rawa mo Tona Mahi
| E23.1509Tauira Tauira Karāhe & Mea Rawa mo Te Whakaputa | |||
| 01 | Tuhinga o mua | 11 | Hutia te karaihe punaha |
| 02 | Whakatangihia te karaihe punaha | 12 | Karāhe tāke-tāke |
| 03 | Te one kiripaka | 13 | Karāhe Colombia |
| 04 | Limangariki | 14 | Ngongo ngongo |
| 05 | Patuki a Su | 15 | Karāhe mārama |
| 06 | Orthoclase | 16 | Kirikii hiraka |
| 07 | Whanariki | 17 | Karaihe Opaque |
| 08 | Pihikete | 18 | Rakau karaihe |
| 09 | Parahihia te karaihe | 19 | Karaihe Merekurai |
| 10 | He karahehe hangaia motuhake | . | . |
Ko te karaihe he taonga kore-kapi-kore-whakarahi, he mea hanga i te maha o nga kohuke korekore (penei i te kiripaka kiripaka, te borax, te waikawa boric, te barite, barium carbonate, te pounamu, te feldspar, te pungarehu houra, me etahi atu) hei tino rauemi, me te iti o nga rauemi mataa awhina kua taapirihia. Tuhinga o mua.
Ko ona waahanga nui ko te dioxide silicon me etahi atu waikura. [1] Ko te kohinga matū o te karaihe noa ko Na2SiO3, CaSiO3, SiO2 ko Na2O · CaO · 6SiO2, me etahi atu. Ko te waahanga nui ko te tote takirua tuuturu, he totoka amorphous me te hanga koretake.
Ka whakamahia whānuitia i roto i nga whare hei wehe i te hau ka whakawhiti i te rama. He ranunga tena. Kei kona ano he karaahe kara e konatunatua ana ki etahi waikura whakarewa, nga tote ranei hei whakaatu i te tae, me te karaihe ngawari e hangaia ana e nga tikanga a-tinana, a-taiao ranei. I etahi wa ko etahi kirihou maramara (penei i te polymethyl methacrylate) e kiia ana he plexiglass.
