O mea o loʻo mulimuli mai o mea ia e mafai ona tatou asiasia. Afai e tele au aitema e te manaʻo e fai asiasiga, naʻo faʻafesoʻotaʻi mai matou faʻamolemole.
♦ Vasega Faʻailoaina;
♦ Tulaga, saʻo, siaki taʻamilo;
♦ Suʻega vailaʻau vailaʻau;
♦ Suʻega Manuia Mamanu: malosi malosi, maua malosi, elongation, faaitiitia o le eria, aafiaga, maaa (Brinell maaa, Rockwell maaa, Vickers maaa) ma isi.
♦ Nondestructive asiasiga: ultrasonic tofotofoga-UT, maneta tisiketi suʻega-MT, vaʻaia vaʻaia-VT isi
♦ asiasiga Metallographic;
♦ Laiti fausaga, fausaga Macro.