ʻIkepili o ka mākeke tungsten hou loa

Ua hoʻomau nā kumukūʻai tungsten Kina i ka hoʻololi ʻana ma ka ʻaoʻao koi nāwaliwali a me ka manaʻo o ka ʻimi ʻana i nā kumukūʻai haʻahaʻa. ʻO ka emi ʻana o nā pae hāʻawi hou o nā ʻoihana tungsten i hoʻopaʻa ʻia e hōʻike ana ʻaʻole paha ka manawa no ka mākeke e iho i lalo.

Ua lilo hou ka hoʻopaʻapaʻa ʻana o Kina me ʻAmelika i ka hakakā "hau"; ʻO ka uka a me ka lalo o ke kaulahao ʻoihana e hui pū me ka ʻae ʻole i nā kumukūʻai kālepa, a me kekahi mau ʻoihana e ʻoki i nā kumukūʻai huahana ma lalo o ke kaomi ʻana o ke kapikala, mālama ka mākeke wahi i ka lewa kālepa. I ka wā pōkole, e nānā nui nā poʻe mākeke i nā kumukūʻai wānana tungsten no ka hapa ʻelua o Iune.