pūtahi kōparapara
He pū kaiwhakarite polikarihana he wharaahi hiranga matatini, e whakamana ana i te tāhuhu o ngā rautaki whatiwhati e whakapakari ana i ngā mātauranga matū me te hanganga tataki. Ko tēnei pū whakarite e āheinga ana i ngā karohi whakarereke e pātata nei ki te hokohoko, ka whakapiri atu i aua karohi ki runga i ngā nuinga paoro me te wehewehe wā, hei hanga i tētahi mata tohu tataki e kore e paihere ki te whakapae. Ka whakatakoto ngā taonga tataki polikarihana i runga i tētahi papa tungsten carbide, ka hanga i ngā take tataki ka whakariteritea ki ngā raupapa whakapai mō te tinana pū. Ka hangaia ngā pū nei ki te whakaeke i ngā momo whatiwhati haumaru rawa, e whai ana i te whakatika paihere ki te tahunga me te whakapae āhua o te wera tonu i runga i ngā whakaritenga tataki matatini. Ko te hunga mātauranga mō ngā pū tataki polikarihana e āhei ana ki te whakapai i te mahi tataki ki uta noa i te whakawehewehe wera me te whakahoki ki te whakapae i te tahunga. Ki roto i ngā whakamahi taketake, ka whai mana ngā pū nei ki te whakaeke i waenganui i ngā whenua kiko, koneti, me ngā momo whakauru rerekē. Ko te hanga e whakauru ana i ngā ara wai kaha hei whakamahere i te tirotiro pai me te whakakapi koiwi i te wā o te mahi, hei whakamana i te mahi whakapai me te whakatīnana o te rautaki. E whai ana ngā huringa i te ao e whakarongo ana ki ngā pū tataki polikarihana mō tō rātou e āhei ana ki te whakapae i te mahi tataki ahakoa te iti i te wā me te urutomo, me te whakaititia i ngā utu mahi.
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