Uhi uhi Kaʻana kaʻa Kaʻaahi tnoneau covers Tunnel Ventilation DUCT / DUCTING Nāʻano o ka geogrid Nāʻano o nā geotextiles Unaxial gogrid Uv paʻi paʻi Uv pale pale pvc fabric Uv pale lole UV Tap Vinyl Lole wai Wai wai wai no nā uhi o waho Nā mea wai wai Mem sprane wai ʻO ka uhiʻana o ka wai ʻO nā mea kūʻai aku wai wai Palapala Waipoma E holoi i ka lole maʻemaʻe