Whakatūhia mō te tāwhiti i ngā papa koneti, ngā kiriki me ngā kōwhatu, ko te raraunga o ā mātātā whakatā maihi hei whakangungu. Ko ngā upoko maihi e whai ana i te karaiti hei whakapakari i te mutunga roa. Ko ngā upoko rangoa e hokihoki ai i ngā kerehu, nō reira ko ngā horahanga (SDS-plus, SDS-max) e tiakina ai te hononga take. He pai tonu mō te hanga me te whakaū, ko te raraunga e kawe ana i ngā uiui puta noa, me ngā whatitiri katoa mō te whakauru pono me te tāwariwari paoro. E taea ana e ēnei maihi te mahi pai ki runga i ngā rauemi maori.