Bit Piko Uila Uila

Hana ʻia nā ʻāpana drill pihi kaula e ka pae kila kila kila a me nā karbida tungsten. Ma o ka hoʻomaʻamaʻa ʻana i ka wela, ua paʻakikī kā mākou mau mea hana wili no ka hoʻokō ʻana i nā koi wili pōhaku a loaʻa ka liʻiliʻi o ka nalowale o ka ikehu i ka wā e wili ana i nā pōhaku. Ma waho aʻe o kēia, hiki iā mākou ke hoʻolālā i nā ʻāpana drill pihi maʻamau e like me nā noi wili ʻokoʻa, a pili nā pahu drill maʻamau i ka wili ʻana i ka pōhaku palupalu, ka pōhaku loose-medium a me ka pōhaku paʻa.