He kūpono no nā metala ferrous, nā metala non-ferrous, nā ʻāpana lahilahi IC, nā uhi, nā metala ply;aniani, seramika, agate, pohaku makamae, pauku plastik lahilahi a pela aku;ʻo ka hoʻāʻo ʻana i ka paʻakikī e like me kēlā ma ka hohonu a me ka trapezium o nā papa carbonized a kinai i nā papa paʻakikī.
