1. Ngā huānga rapa: mō ngā motopaika, he puna, hengā puna hau, me ngā puna hau wai. Mō ngā motuka, ka tāpirihia he puna rau. Ko tana mahi he tautoko i te tinana me te wiri urunga. E ai ki ngā āhuatanga rerekē, ka taea te wehewehe ki te raina me te kore-raina. Hei tauira, mō te puna koiri, mēnā ko te pēhanga he 10CM ina ko te kawenga he 100kg, ko te 200kg he 20300 me te 30, he raina; Mō te kore-raina, pērā i te puna rau whakawhiti-wāhanga rerekē, te puna hau wai me te puna hau mō te pahikara. Hei tauira, ko te pēhanga 100kg he 10CM, ko te pēhanga 200kg he 15CM, he kore-raina. Pērā i te rūma hau o te whakaiti o mua me te pounamu hauota o te whakaiti o muri.
2.Whakaitihuānga: ko te wāhanga kore-pū o te ngongo ru. Ko tana mahi he whakaiti i te pānga o te pū, he whakaiti i te kaha o te huānga rapa, me te huri i te kaha wiri o te waka hei kaha wera o te hinu whakaiti mō te tukunga. Ko te nui ake o te whakaiti, ko te iti iho o te wiri. Engari, ko te nui ake. Ka mahi tahi me ngā huānga rapa hei whakaiti i te wiri o te tinana o te waka, o ngā wira rānei.
3. Te whakataurite i ngā wāhanga rapa, ngā wāhanga whakamātao me ngā momo waka: ko ngā wira i puta mai i te mata rori kāore i te ōrite ko te wiri o te tinana o te waka, e pā ana ki te whakamarie me te hauora o ngā kaieke pahikara, o ngā taraiwa rānei, tae atu ki te āhua o te waka me ōna mea kei roto. Mō te auau wiri, ko te auau wiri ka taea e te tinana tangata te mau, te whakamarie rānei, ko te auau hikoi, arā, 1 ki te 1.6 Hz, ā, he iti iho i te 27 mm te kaha.
4. Ka taea e te huānga ngawari te whakaiti i te auau wiri me te tere wiri, ā, ka pai te piri o te rori. Heoi, i raro i te kaupapa o taua arai, ka nui te kaha o te awhe, ka kore hoki e pai te whakamarie, ka ruaki pea. He pono anō hoki te ritenga kē.
Wā tuku: Whiringa-ā-rangi-07-2022