E tusa ai ma le fausaga ma le faʻamoemoega, ua vaevaeina poloka valve hydraulic i poloka poloka, tamai papatusi, ufiufi ipu, faʻapipiʻi, valve faʻapipiʻi faavae ipu, poloka valve pamu, poloka valve faʻaogaina, poloka valve faʻapipiʻi, poloka valve faapitoa, aoina o paipa ma poloka fesoʻotaʻi. , ma isi. Tele...
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