ʻO nā pahu graphite pālolo, ʻike ʻia hoʻi ʻo nā puʻu graphite a i ʻole nā ipu keleawe i hoʻoheheʻe ʻia, he mau mea hana pono i ke kahua o ka hoʻoheheʻe metala. Hoʻohana mua ʻia kēia mau crucibles e honi i nā metala non-ferrous e like me ke keleawe, keleawe, gula, kālā, zinc, a me ka lea ...
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