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Nā lei aniani ʻaʻa
He ʻano pōʻai aniani ʻo Hollow me ka liʻiliʻi liʻiliʻi, nona nā mea non-metallic inorganic.He 10-180 microns ka nui o ka nui o ka nui, a he 0.1-0.25 g / cm3 ka nui.Loaʻa iā ia nā mea maikaʻi o ke kaumaha māmā, ka haʻahaʻa haʻahaʻa haʻahaʻa, ke kani ʻana o ke kani, ka hoʻopuehu kiʻekiʻe, ka hoʻoheheʻe uila maikaʻi a me ke kūpaʻa wela.He mea māmā hou me ka hoʻohana ākea a me ka hana maikaʻi i kūkulu ʻia i nā makahiki i hala iho nei.He keʻokeʻo keʻokeʻo ke kala.Hiki ke hoʻohana nui ʻia i kekahi huahana me nā koi no ka helehelena a me ke kala.
