ʻanuʻu ʻanuʻu
Hoʻohana nui ʻia nā ʻanuʻu no ka wili ʻana i nā pā kila lahilahi i loko o 3 mm.Hiki ke hoʻohana ʻia hoʻokahi pahu drill ma kahi o nā pahu drill he nui no ka hana ʻana i nā puka o nā anawaena like ʻole e like me ka mea e pono ai, a hiki ke hana ʻia nā puka nui i ka hele hoʻokahi me ka pono ʻole e pani i nā pahu drill a i ʻole nā puka hoʻonoho ʻana.kali.