Hōʻike Pōkole:

Hana ʻia ka ceramic abrasive o ka alumina kūikawā e like me ka mea nui, i kāwili ʻia me nā ʻano mea like ʻole o ka honua i hoʻololi ʻia, a hewa ʻia i ka mahana wela. He paʻakikī kiʻekiʻe kona a me ka hoʻonui ʻana iā ia iho. Hilinaʻi ʻo Yousheng i ke kumuhana kū hoʻokahi o ka wili ʻana a hoʻohui i kahi kemikino kūikawā e hana i ka abrasive pālolo me nā ʻano o ke ʻoki anuanu. Hiki i ka lāʻau pālolo ke mālama i ka ikaika wili lōʻihi, i hiki ai i nā mea hana abrasive ke kiʻi i kahi ola ʻoi loa. He laulā noi ākea ka abrasive, hiki ke hoʻohana ʻia no ka hoʻoheheʻe ʻana a me ka wili ʻana ma lalo o ke kaomi kiʻekiʻe, a no ka wili maikaʻi ʻana o nā mea like ʻole, e like me ka wili ʻana o nā mea, ka wili ʻana, ka wili ʻana o crankshaft a me nā mea ʻē aʻe.