Nā mea hoihoi e pili ana i ke kēpau He manawa kūpono loa e aʻo hou aʻe e pili ana i nā metala. ʻOiai he mea ʻawaʻawa ka mea hao, ʻaʻole pono e hoʻohana ʻia i ke ola o kēlā me kēia lā, a i ʻole, i ka hala ʻana o ka manawa, hiki ke hana i ka lāʻau make nui.
No laila, eia nā ʻike hoihoi loa e pili ana i ke kēpau.
- Kaulana nui ʻia ke kēpau me nā poʻe kahiko, e like me ka mea i hōʻike ʻia e kekahi mau mea i loaʻa i ka archaeological. No laila, ua ʻimi nā ʻepekema e loaʻa i nā lei kēpau nona nā makahiki i ʻoi aku ma mua o 6 tausani mau makahiki.
- Ma ʻAigupita Kahiko, ua hana ʻia nā statuette a me nā medallion mai ke kēpau, i mālama ʻia i kēia manawa i nā hale hōʻikeʻike like ʻole a puni ka honua.
- I ke alo o ka oxygen, kēpau, e like me ka aluminika (ʻike i nā mea hoihoi e pili ana i ka alumini), ʻokoke koke ʻia, a uhi ʻia me kahi kiʻi ʻoniʻoni.
- I hoʻokahi manawa, ʻo Roma Wahine Roma ke alakaʻi o ka honua i ka hana o kēpau - 80,000 tone i kēlā me kēia makahiki.
- Ua hana ka poʻe Roma kahiko i ka plumbing mai ke kēpau me ka ʻike ʻole i ka ʻona o lākou.
- He mea pīhoihoi ka mea kākau Roma a me ka mīkini ʻo Vetruvius, ka mea i ola ma mua o ko mākou au, i hoʻolaha ai he hopena maikaʻi ʻole ke kēpau i ke kino o ke kanaka.
- I ka wā o ka Bronze Age, ua hoʻohui pinepine ʻia ke kō kō i ka waina i mea e hoʻomaikaʻi ai i ka inu.
- ʻO kahi mea hoihoi loa kēlā kēpau, ma ke ʻano he metala kikoʻī, i ʻōlelo ʻia ma ke Kauoha Kahiko.
- I loko o ko mākou kino, hōʻiliʻili kēpau i ka iwi iwi, e hoʻoneʻe iki i ka calcium. Ke holo nei ka manawa, alakaʻi kēia i nā hopena weliweli.
- Hiki i kahi pahi ʻoi maikaʻi ke ʻokiʻoki i kahi ingot alakaʻi me ka maʻalahi.
- I kēia lā, ʻo ka hapa nui o ke kēpau i ka hana ʻana o ka uila.
- He mea weliweli loa ke kēpau no ke kino o ke keiki, ʻoiai ʻo ka lāʻau ʻona me kahi metala e kāohi ai i ka ulu ʻana o ke keiki.
- ʻO nā alchemist o ka Middle Ages e pili ana i ke alakaʻi me Saturn.
- ʻO nā mea ʻike āpau, ʻo ke kēpau ka pale maikaʻi loa e kūʻē i ka radiation (ʻike i nā mea hoihoi e pili ana i ka radiation).
- A hiki i nā makahiki 70 o ke kenekulia i hala, ua hoʻohui ʻia nā mea hoʻohui kēpau i ka penikala e hoʻonui i ka helu octane. Ma hope, ua hoʻopau ʻia kēia hana ma muli o ka hōʻeha nui i ke kaiapuni.
- Ua hōʻike ʻia nā noiʻi hou i nā wahi me ka palena iki o ka hoʻohaumia o ke kēpau, ʻike ʻia nā hewa ʻehā mau manawa ma mua o nā wahi me ka nui o ka kēpau kēpau. Aia kekahi mau manaʻo e hopena maikaʻi ʻole ka hopena i ka lolo.
- ʻIke paha ʻoe ʻaʻole e hemo nā kinoea i ke kēpau, ʻoiai inā aia ia i loko o ka moku wai.
- I ka lepo, ka wai a me ka ea o kahi metropolis awelika, ʻo 25-50 mau manawa ke kiʻekiʻe o ke kēpau ma mua o nā kaona kaiāulu kahi ʻole kahi ʻoihana.