ʻO ka hapa nui o ke kumu kūʻai maʻamau maʻamau, ʻo ia nā mea hao kalapona kiʻekiʻe.
Ke kūʻai ʻana i nā kumu hoʻoheheʻe, hoʻokaʻawale ʻia lākou i ʻelua ʻano: nā kumu hoʻoheheʻe maʻamau a me nā kumu hoʻoheheʻe maʻamau. Hiki iā mākou ke hoʻomaopopo maʻalahi i ka maʻamau o nā kumu mold maʻamau a loaʻa kahi kiʻekiʻe o ka standardization
I kēia manawa, pili ka hoʻohana ʻana i ka mold i kēlā me kēia huahana (e like me ke kaʻa, aerospace, nā mea e pono ai i kēlā me kēia lā, ke kamaʻilio uila, nā huahana olakino a me nā mea hana, a me nā mea ʻē aʻe), inā lōʻihi ka nui o nā huahana e hana ʻia e ka mold,