Ki te whakaritea ki ngā pereti maitai ātete-kakahu tuku iho, he nui te ōwehenga o ngā huānga Cr me C kei roto i te paparanga mahi o te pereti kakahu CCO (he 27-45% te ihirangi Cr, 3-5%) te ihirangi Cr, ka taea tonu te hanga i ngā waro M7C3 mārō i te wā e whakamahia ana, me te pakeke Mohs o te 58-65HRC, ka whakapai ake i te kaha ki te ātete i te pānga me te kakahu reti.

Ka tautokohia e tēnei hua te tukatuka kia rite ki ngā tuhi, ngā āhua motuhake kua whakaritea, ngā whakatuwheratanga kua oti te hanga, te piko me te whakarewa, ā, he pai mō ngā hanganga uaua maha, pēnei i:

✓Raina Whakamau o te Hāora

✓Raina Kakahu Kuru

✓Raina Kakahu Kawe

✓Waihanga Ārai mō te Wira Pākete