Hoʻohana nui ʻia ʻo Granite V-Block i nā papa hana, nā lumi hāmeʻa a me nā lumi maʻamau no nā ʻano noi like ʻole i nā mea hana a me ka nānā ʻana e like me ke kaha ʻana i nā kikowaena pololei, nānā i ka concentricity, parallelism, a pēlā aku. nā ʻāpana cylindrical i ka wā o ka nānā ʻana a i ʻole ka hana ʻana.He 90-degere ko lākou "V", i waena a pili i ka lalo a me nā ʻaoʻao ʻelua a me ka huinahā i nā welau.Loaʻa iā lākou i nā ʻano nui a hana ʻia mai kā mākou Jinan black granite.