He pine metala paʻakikī kēia, hoʻopiha mākou i nā kala enamel a hiki i ka lihi o ka lua metala a laila hoʻopololei i ka enamel palahalaha no ka hoʻopau ʻana a ʻālohilohi. Loaʻa iā ia nā waihoʻoluʻu waiwai a lōʻihi, ke ʻano maikaʻi a me ka nani. ʻO nā mea metala maʻamau ka zinc alloy, ke keleawe, a me nā mea ʻē aʻe, hiki ke hōʻoia i ka paʻa a me ka lōʻihi o ka pine.
