Taiala Fa'atau Valve Faitotoa Saina: Faʻafefea ona filifili le saʻo Saina faitotoa valve
Saina faitotoa valve o se mea e masani ona faʻaaogaina le faʻaogaina o le vai, o lona fausaga faigofie, faʻamaufaʻailoga lelei ma isi mea lelei e faʻaaogaina lautele i le suauʻu, vailaʻau, metallurgy, eletise eletise ma isi pisinisi o le pulea o le vai. Pe a faʻatau faʻatau faitotoa Saina, o le ituaiga talafeagai ma faʻamatalaga e tatau ona filifilia e tusa ai ma tulaga faʻapitoa o galuega ma faʻaoga manaʻoga. O lenei tusiga o le a faʻafeiloaʻi atu ia te oe le auala e filifili ai le saʻo Saina faitotoa valve mai se vaaiga faʻapolofesa.