1. Fa'amoemoega ole Fa'a'au'au Feso'ota'i
1) Feso'ota'iga pamu - Fa'amautinoa le mautu o feso'ota'iga paipa
2) Vibration Absorption - Faʻaitiitia le faʻafeiloaʻiga o meafaigaluega
3) Faʻaitiitiga Pisa - Faʻagaioiga filemu
2. Tulaga lelei:
E le fa'aigoaina Ituaiga:
Suavai-pa'i i luga & tino mea tutusa
Leai se uelo, aveesea intergranular corrosion
Ituaiga uelo:
Faamaufa'ailoga Maualuga
Uu fa'asolo tele mo le fa'atinoina o le leak-proof
Fa'apitoa Fa'asalalauga Fa'atasi
E fetaui mo suau'u ma vaila'au (FM Fa'amaonia)