Ma Nowemapa 17, 2020, ua loaʻa i kā mākou hui kahi ʻae hoʻohālike hoʻohālike o ka "copper cooling stave three link phase cutting hole processing tool assembly".
ʻIke ʻenehana: ʻO Copper stave kahi ʻano mea hoʻoluʻu hou i hoʻomohala ʻia i nā makahiki i hala iho nei, nona nā hiʻohiʻona o ka maikaʻi hoʻoluʻu kiʻekiʻe a me ke ola lawelawe lōʻihi.
Ka manawa hoʻouna: Feb-28-2021