ʻO ka wikiwiki 10-15m / min, a ʻoi aku ka liʻiliʻi o ke kumukūʻai ma mua o ka ʻoki ʻana i ka laina lōʻihi. I ka manawa like, e hōʻoia i ka pololei o ka ʻoki ʻana.
Hāʻawi kūikawā i ka pahu mālama ikehu. hoʻonui i ka mana ʻoki a hoʻomaikaʻi i ka wikiwiki o ka ʻoki.
Hiki ke hoʻohui ʻia ka hana slitting maʻalahi (ʻaʻole ʻoi aku ma mua o 6 mau pahi, ʻo ka slitting haiki loa he 70mm)