ʻO Bronze kahi mea metala maʻamau i ko mākou ola.Ua ʻōlelo mua ʻia i ke kinikini keleawe-tin.Akā i ka ʻoihana, nā ʻāpana keleawe i loaʻa i ka aluminika, silika, ke kēpau, beryllium, manganese a me nā mea metala ʻē aʻe.ʻO nā paipu paipu i hana ʻia me ke keleawe keleawe, ke keleawe aluminika, ke keleawe silika, ke keleawe kēpau.Hiki ke hoʻokaʻawale ʻia nā paipu keleawe i ʻelua mau ʻāpana: ʻo nā paipu keleawe i hana ʻia i ke kaomi a me nā paipu keleawe i hoʻolei ʻia.Hiki ke hoʻohana ʻia kēia mau ʻāpana keleawe keleawe no nā ʻāpana i pili i ka friction a i ʻole corrosion i nā ʻoihana e like me nā mea hana kemika a me nā ʻāpana pale.