Poloka o le auala e fa'apipi'i ai le laupapa e tanumia papa'u i le hydraulic, e taʻua foʻi o le puipui poʻo le poloka auala e teteʻe atu ai i faiga faatupu faalavelave, e faʻaaogaina ai le siʻitia ma le faʻaitiitia o le hydraulic. O lana galuega autu o le puipuia lea o taʻavale e leʻi faʻatagaina mai le ulufale faʻamalosi, faʻatasi ai ma le aoga maualuga, faʻatuatuaina, ma le saogalemu. E talafeagai mo nofoaga e le mafai ai ona eliina loloto le fogāʻeleʻele o le auala. E tusa ai ma manaʻoga eseese o nofoaga ma tagata faʻatau, e tele filifiliga faʻatulagaina ma e mafai ona faʻapitoa e faʻafetaui ai manaʻoga faʻatino a tagata faʻatau eseese. Ua faʻapipiʻiina i se faiga faʻafuaseʻi e faʻasaʻoloto ai. Afai e motusia le eletise poʻo isi tulaga faʻafuaseʻi, e mafai ona faʻaititia i lalo e tatala ai le auala mo feoaʻiga masani a taʻavale.
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