Avea o se tasi o sili ona faʻatautauina tautau o kamupani, tatou apamemea lanu uʻamea faʻaputugofie togafiti maua ai le sili lauiloa i le salafa o le lalolagi, aemaise lava i Amerika i Matu. Ma e mafai ona faʻapitoa e tusa ma au manaʻoga, mo se faʻataʻitaʻiga, e mafai ona mamanuina i le paʻu, faʻaofi poʻo le talita. E le gata i lea, e i ai eseese luga togafitiga mo lau filifiliga: Muamua galvanized, metala paʻepaʻe plated, epoxy ma Green galvanized tini e faʻafetaui ai a outou tulaga eseese 'anticorrosion manaʻoga.