Mai kahiʻoihanaʻoihana,ʻo ka meaʻoki wili he meaʻokiʻoki i hoʻohanaʻia no ka wili. Hiki iā ia ke hoʻololi a loaʻa i hoʻokahi a ʻoi aku paha nā niho ʻoki. I ka wā o ka wili palaoa, ʻoki kēlā me kēia ni...

I nā makahiki he umi i hala iho nei, ua hoʻololi mālie ʻia nā ʻāpana kila paʻakikī me ka polycrystalline cubic boron nitride (PCBN) i ka wili kuʻuna. Ua ʻōlelo ʻo Tyler Economan, ka luna ʻenekinia bid...

I ka mīkini, ua kapa mau ʻia ka mea hana "nā niho i hana ʻia", a ʻo ka ʻoki ʻana o ka mea hana mea hana kekahi o nā kumu nui e hoʻoholo ai i kāna hana pono, ke kumukūʻai hana a me ka maikaʻi o ka hana...