S312, 02S404 lima maʻalahi a paʻa i ka wai

ʻO S312, 02S404 nā lima wai wai e hoʻohana nui ʻia ma lalo o nā kūlana hana kahi i loaʻa ai ka vibration a i ʻole koi wai ʻole ma kahi e hele ai ka pipeline ma ka pā. Ma kekahi ʻaoʻao, kūpono ia i ka hoʻokomo ʻana a me ka wehe ʻana o ka pipeline, a me ka anti seepage a me ka anti leakage; ma kekahi ʻaoʻao, ʻo ia ka mea e pale ai i nā hale mai ka pōʻino i hana ʻia e ka wai a me ka haʻalulu.