He tino pai te whakapuare kōhao HDD i roto i ngā hanganga toka mārō, ā, he nui ngā painga. Ko tōna hoahoa pakari, he maha ngā wā ka whakauruhia ki ngā whakaurunga tungsten carbide, ka whakarato i te ātete pai ki te pakū, ka mau tonu ki te huri kaha mai i te toka mārō. Ko te tuku taipana teitei ka whakarite kia pai te pakaru o te toka, ka whakaiti i te wā keri. Ko te mana whakahaere tika e pupuri ana i te pumau o te ara ahakoa i roto i te toka matotoru, kanorau, ka whakaiti i ngā pekapeka. Hei tāpiri, ko tōna hanganga urutau e pai ana ki ngā momo toka mārō, mai i te granite ki te quartzite. Ko te āhua kore-keri ka whakaiti i te whakararuraru taiao, ka pai mō ngā wāhi toka mārō e hiahia ana kia iti rawa te whakararuraru mata.
Wā tuku: 01 o Ākuhata 2025