Nuhou Hui
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Hebei Jibao Wela Waiwai a me ka hanu
I ka makahiki 1940, ua ʻike nā mea kākau Kelemania ʻo nā hiʻohiʻona paʻa ponoʻī a me ka airtight o ka asphalt waterproofing membranes a me ka uhi ʻana i nā mea wai wai i hoʻopaʻa ʻia i ke koena o ka wai i loko o ka hale paʻa, a me ka wai wai ...Heluhelu hou aku -
He aha nā waiwai o nā membrane wai a me ka hanu no nā hale hale lāʻau
I ka hana hale lāʻau i kēia manawa, i mea e hōʻoia ai i ka hale lāʻau i kahi waiwai wai a me ka hanu maikaʻi, i kēia manawa hoʻohana nā mea a pau i ka membrane wai a me ka hanu ma waho o ka hale lāʻau. ʻO ka membrane wai a me ka hanu i hoʻohana ʻia i ka hoʻolāʻau lāʻau ...Heluhelu hou aku
