✔Faʻaauau le saoasaoa maualuga ma le saʻo maualuga e mautinoa ai le gaosiga
✔Leai se meafaigaluega e ofuina ma sui i le faʻaogaina e leai se fesoʻotaʻiga ma fetuutuunai gaioiga
✔Leai se tapula'a i foliga, lapopo'a, ma mamanu e iloa ai fetuunaiga faʻapitoa
Mea:uamea carbon, uamea uʻamea, alumini alumini, uʻamea titanium, laupepa uʻamea, laupepa uʻamea, apamemea, kopa ma isi mea uʻamea
Talosaga:ipu uamea, flange filo, ufiufi manhole, ma isi.