rangi hou mo te whakamomoaraea mahutonga
Ko te pereka tohu huarahi thermoplastic he rautaki whai āhua i ngā punanga haumaru mō ngā huarahi. Ko tēnei matēria hou he mea hanga mai i ngā rāpua rīhini hangarau, ngā karu rūa, ngā tioata, me ngā kīato mātai e waihangatia ana hei tētahi pūnaha tohu huarahi pakari, ā, he mā te titiro. Ina wera ki ngā wera o 180-220°C, ka huri te matēria ki te ahunga parurenga e taea ai te whakaputa ki ngā mata o ngā huarahi. I te wa i makariri ai, ka hangaia he tohu pakari, he kore pea te hinga e te pouri, e taea ai te tautohe me ngā tikanga kīkā ake. Ka whakapakari ake ngā karu rūa i ngā īngoa ātaahua o te pereka, e tuku ana i te ātaahua tino pai i te pō, ā, i ngā tikanga huarere kino. Ko te nekenga o te matēria e 2-3mm te roa, e tuku ana i te roa ake i ngā perekā huarahi noa. Ko tana wā poto kia ū ai, kei te 15-20 meneti, ka iti ake te aronga ki te rereketanga o te rere huarahi i te wā o te whakaputa. He pai tōna hononga ki ngā mata taripapa me te konikete, e waihangatia ana he hononga roa e taea ai te toronga moni, e 3-4 tau rānei rongo ai i ngā tikanga rere huarahi noa. Ko te kaha ki te taunga ki te taiao tētahi atu anō hoki, nā te mea ka pupuri tonu tana ahua i ngā wāhi katoa o ngā wero, ngā tikanga huarere rānei.
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