1. He silica inert ka haku mele, a ʻaʻohe hopohopo e pili ana i ka hana kemika;
2. Nā ʻāpana elastic poepoe. Impact resistant, hiki ke hoʻohana pinepine
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7. ʻO ka mea hana i hana ʻia he hopena matt, hōʻike i ke kala metala, ʻaʻole ʻōpala, a me nā mea ʻē aʻe, ʻaʻole pono e ʻoki ʻia a hili ʻia.
