Ko ngā papa kōhatu alumina zirconia he taputapu whakakaha e whakamahia ana i te whakarewa o ngā karu alumina me ngā karu zirconia, e hui ai te whakaeke o te karu alumina me te kaha me ngā āhua whakarewa ake o te karu zirconia. Ko te hunga motuhake nei ka whai kaha nui ki ngā mahi whakarewa rereke, ina heke ki ngā tāonga u, pērā i te paraihe karboni, te paraihe miriro, te paraihe hiato, me ngā rakau tōtika pērā i te teak me te rosewood. Ka whakanui ake i te papanga o te paparua te kaha ki te here i te wehi, kia āki ai te mahinga tonu me te whakauru haumaru, kei te wā roa rānei, kei te wa e whakamahi ana i te paraihe karu e whakawehe ai i ngā tikanga. Kei te tūhono te paparua ki te kaha ki te tautohe i te hau māmā e puta mai ana i te whakarewa whakawhirinaki, ko ia tēnei pea te mea matua hei aukati i te whakaiti i te kaha o te karu me te whakarite i te mahi tata, nō reira he pai rawa ki ngā mahi pērā i te wehe i ngā ara tahumaero, te wehe i ngā paraone rīwhi i ngā mata paraihe, te whakapai i ngā wāhanga rakau tōtika. Ko te takotoranga tuarua o ngā papa kōhatu alumina zirconia he taraka taumaha, e whakarite ana i te kaha taraweti me te whanokonoko, e āki ai te paparua ki te whai i ngā mata kōaro kaua ko te ruaruatia. Ko te whanokonoko tēnei e nui ake ana te whai wāhi ki te mahi paraihe, ina heke ki ngā wāhanga paraihe pōpō me ngā āhua ōrite. Ko ngā karu whetū e huingia ana ki te peihana resin whakarewa e aki ai te hau māmā me te whakaiti i te noho pakaru, e whakarahi ake ai i te ora o te paparua. E wātea ana ki ngā rahi karu mai i te kaha (36-80) mō te wehe i te taro nui ki te roa (120-180) mō te hono me te whakapai, kei te whakamahia whānuitia enei paparua ki ngā wāhi umanga pērā i te hanga motuka, te hanga paraihe, me te whakatika i ngā taputapu taumaha. Ki te hanga motuka, ka whakamahia hei whakarewa i ngā wāhanga tātari me te wehe i ngā taro pera i ngā wāhanga paraihe hiato, kia tika ai ngā ine me ngā mata māmā. Ki ngā toihau hanga paraihe, ka whai mahi nui te tango i te āhua o te paraihe mō te piri, te whakapiri rānei, mā te wehe i ngā paraone irirangi me ngā paraone. Mō te whakapai rakau, ko te wehe tino whakawhirinaki o te karu he pai ki te whakarewa i ngā rakau tōtika e maroke ai ngā pepa kōhatu tūmatanui, e iti ai te maha o ngā panoni paparua me te whakapai ake i te mahi. Ko te āhua whakarewa ake o ngā karu zirconia—kei hea ngā karu kua whakamahia ka pakaru, ka whakapuaki i ngā tapa hou, whakaeke—ka tūtohu i te paparua kia mau tonu te kaha o te wehe i te roanga o tana oranga, e whakarite ai i ngā putanga tika me te iti i te wā kore mahi. He iti noa te whakamahi i ngā mahi whakarewa ā-ringa, he iti noa rānei ki ngā rākau huihuinga ake, ko ngā papa kōhatu alumina zirconia e whakarite ana i te tōwenga o te kaha, te whakawhirinaki, me te whanui o ngā whakamahinga e nui ake ai te whakapono ki te whakatutuki i ngā uaua rawa o te whakarewa ki ngā umanga me ngā wāhi umanga.