Faʻasusu vevela galvanized hexagon ulu faʻamau faʻamau emo
O le pito i fafo o le faovilivili ulu o le hexagon socket ulu faʻamau e lapoʻo, ma le ogatotonu o concave hexagonal, ae o le hexagonal emo o le tasi ma sili atu sikurini ulu ma hexagonal pito. Ina ua maeʻa vevela galvanizing luga togafitiga, aneti-corrosion aafiaga ua ausia.
Tusi lau feʻau ii ma lafo mai ia matou