Valve Fa'asa'olotoina o le Ea, Valve TWS
-
Valve fa'asa'oloto ea, Valve TWS
Faitau atiliO le valve fa'asa'oloto ea saoasaoa maualuga tu'ufa'atasia e tu'ufa'atasia ma vaega e lua o le valve ea diaphragm maualuga-mamafa ma le valve ulufale ma le valve fa'asu'u mamafa maualalo, E i ai uma galuega tauave e lua o le fa'asu'u ma le fa'asu'u.
