1. Ko te wahanga taimana mo te tapahi raima ko te whakapiri i runga i te bit drill matua mai i te dia 14mm ki te 600mm, ka whakamahia ano hoki ki te mata kani 250mm-600mm, te raima hiraka, te whakamahi maku.
2. Ka taea te hanga ahua rereke. Pērā i te Roof top-ahua, papatahi-ahua, momo doted, momo pakitara nui, turbo, momo mowhiti me etahi atu.
3. Ka taea e matou te hanga i nga momo waahanga maha mo te tapahi raima, te granite, te mapere, me etahi atu taonga ahumahi Ko etahi atu rahi kei te waatea mo to tohutoro: 24 * 4 * 10mm, 24 * 5 * 12mm, 24 * 6 * 15mm , te rahi ki te to whakaritenga taipitopito.