Tunnel Formwork
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Tunnel Formwork
Ko te hangahanga kauhanga he momo momo hangahanga, e whakakotahi ana i te ahua o te pakitara maka-i-waahi me te papa o te papa maka-i-wahi i runga i te hanga o te hanga pukai nui, kia pai ai te tautoko i te ahua kotahi, herea. kotahi te pae rino, katahi ka ringihia te pakitara me te hanga puka ki te hanga kotahi i te wa kotahi.Na te ahua ano o tenei ahua he rite ki te kauhanga tapawha, ka kiia ko te tunnel formwork.