Faʻamatalaga puʻupuʻu:

Oloa foliga: ituaiga fou tekonolosi, lelei lava-faʻamaʻaina, maai olo, maualuga vevela teteʻe, maualuga maaa, maualuga lelei ma e le faigofie ona ofuina, toniga taimane ma le oneone, lelei galuega, saogalemu ma le siosiomaga puipuiga, lamolemole incision aunoa chipping ma isi lelei .

O oloa e masani ona fetaui lelei mo: ituaiga uma o uamea ma mea e le o ni uamea, olo uʻamea tungsten, miliina tipi, alloys, taimane, tioata, keramika, semiconductor mea (silicon carbide, ma isi), maneta mea (maneta autu, maneta laupepa, ferrites, ma isi) ma mea gaugofie uʻamea (uʻamea filogia, tungsten uʻamea YG8, ma isi)