Vaega
1. O le pine cotter o le uamea u'amea, o isi vaega o le u'amea u'amea vevela.
2. Malosi faʻainisinia sili ma faʻatinoga
3. Leai o le hysteresis gau
4. Lelei faʻatinoga o le anti-ele ma le anti-corrosion
5. Fuafuaga fa'alelei malosi
Fa'aaogāga
E fa'aogaina fa'alava i faiga si'i ma fa'amautu e pei o so'otaga e fa'afeso'ota'i (ua) uaea, filifili ma isi mea fa'aoga. O fa'amau fa'amau fa'amau e fa'aaogaina mo fa'aoga le tumau. O faʻamau faʻamau saogalemu e faʻaaogaina mo taimi umi pe tumau.
• Alamanuia faufale;
• Alamanuia tau taavale;
• Alamanuia o nofoaafi;
• Siitia.