Ke kila huinaha: he paʻa, bar stock.Hoʻokaʻawale ʻia mai ka paipu square, hollow, ʻo ia ka paipu.ʻO ke kila (Steel): he mea i hana ʻia me nā ingots, billets a i ʻole ke kila ma ke kaomi ʻana i nā ʻano like ʻole, ka nui a me nā waiwai e pono ai.ʻO ka pā kila mānoanoa, ka pā kila lahilahi, ka ʻili kila silikoni, ke kila hoʻokaʻawale, ke kila paipu kila ʻole, ka paipu kila welded, nā huahana metala a me nā ʻano like ʻole.