waea me te mata whiri
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wheketere hoko tika paiherea mata waea
Kei te whakamahia whanuihia te miihini hiko i roto i te umanga, ahuwhenua, hangahanga, kawe waka, maina me etahi atu umanga.Pērā i te uhi whakamarumaru mihini, taiapa kararehe, taiapa putiputi, taiapa matapihi, taiapa hongere, whare heihei, kete hua manu me te kete kai tari whare, kete pepa me te whakapaipai.Ka whakamahia te nuinga mo te whanui
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te pakeke me te kaha o te whakakakahu i nga hiko hiko
Ko te matua he waea e rite ana te diameter me te roa.Ko te mahi o te matua fehokotaki'anga;Ko tetahi ko te mahi hei hikohiko me te whakaputa pewa hiko;Tuarua, i muri i te rewa hei whakarewa whakakii, me te whakarewa tahi te whakarewa hei hanga i te weld.Ko te hanganga matū o te matua weld ka pa ki te kounga o te weld, no reira ko te matua weld ka tino whakarewahia e nga mira maitai.Kei te whakamahia te waro hanganga maitai tokotoko fehokotaki'anga i roto i to tatou whenua.Ko te waitohu matua fehokotaki'anga ko H08 me H08A, ki te ihirangi waro toharite o 0.08%(A tu mo te kounga teitei).
