Ko te hanganga o te taura whatu GYDTS ko te hoatu 4, 6, 8, 12 matua riipene muka whatu ki roto i te ngongo wewete i hanga o te rauemi modulus teitei, a ka whakakiia te ngongo wewete ki te pūhui parewai.Ko te pokapū o te matua taura he mea whakarewa whakarewa.Mo etahi taura muka whatu, me tango he paparanga polyethylene (PE) ki waho o te matua whakarewa.Ko te ngongo wetekina me te taura whakakī ka huri huri noa i te uho whakakaha ki te hanga i te uho taura kiato me te porowhita, ka whakakiia nga aputa o te matua taura ki nga whakakii aukati wai.Ko te riipene rino whakakikorua-rua-rua (PSP) he mea takai roa, ka werohia ki roto i te putunga polyethylene hei taura.
Pukapuka Hua: GYDTS (Ripene Opticalfiber, Te ngongo ngongo mawheawhe, Mema kaha whakarewa, Tire Waipuke Waipuke, Puta piri maitai-polyethylene)
Paerewa Hua:
GYDTS taura whatu ū ki YD / T 981.3 me IEC 60794-1 paerewa.