1. Low carbon anotusi, lelei formability malulu ma weldability.
2. Uamea maualuga mama ma le maualuga maualuga, talafeagai mo oloa e manaʻomia ai se maualuga maualuga.
3. O mea faʻainisinia sili ona lelei, aemaise lava mea faʻapitoa mataʻutia, e mafai ona ausia manaʻoga o le tele o fanua.
4. Lelei faʻamaʻi faʻamaʻi, mafai ona tetee atu i le pala mai le ea, vai, suauu, acid, alkali ma isi ala o faasalalauga i se tulaga patino.