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Pānga ki te koiora hangai

2019-01-24
(1) Te whakaotinga o te mahi arataki i te hangai. He aratohu pono, he pono hoki te whakaiti, te whakaiti i te kakahu o nga waahanga mahi o te hangai, kia kore e whai hua te hangai o te konuroa me te hangai hangai, ina koa ko te koretake me te kohinga iti e ngaro ana i te mate, he kohinga mate me te mate whakamua maha-teihana e kaha ake ana. Hei whakapai ake i te koiora o te hangai, me whakarite te hoahoa ki te ahua o te waahanga me te tika o nga waahanga, te kowhiringa tika o te puka arataki me te pono o te huarahi arataki.

(2) Ko nga taarua o te mate (convex, concave die). Ko te ahua o te miihi harakeke me te miihini, ko te whakawhiwhi tika me te riipene whakakii kaore i te awe nui ki te hanga i te waahanga hiiti, engari ano he awe nui ki te kakahu me te koiora o te raima. Hei tauira, ko te whakawhiwhinga hangai o te papapa e pa ana ki te kounga o te pungawari me te koiora o te hangai. Mo nga whakaritenga tino teitei ake, me tohua he uara iti mo te hoahoa; ki te kore, ka tika te whakapiki i te waahi kia pai ake ai te oranga o te kowhiri.
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