1. I totonu o le alamanuia meafaigaluega masini, 85% o le masini faʻaogaina masini masini faʻaogaina le faʻaogaina ma le pulea o le hydraulic. E pei o le olo, masini milling, planer, broaching machine, lomitusi, sele masini, masini masini meafaigaluega, ma isi.
2. I alamanuia metallurgical, o loo faaaogaina tekinolosi hydraulic i le ogaumu faaeletonika pulea faiga, taavale mill pulea faiga, tatala taʻavale taʻavale, converter pulea, pule o le ogaumu, strip deviation ma masini vevesi faifai pea.
3. Feso'ota'iga eletise e fa'aaogaina lautele i masini faufale, e pei o le excavator, pa'u pa'u, loli loli, crawler bulldozer, pa'u pa'u, fa'ato'a fa'asolo e le tagata lava ia, grader ma vibratory roller.
4. Fa'atekonolosi eletise e fa'aaogaina lautele i masini fa'ato'aga, e pei o le tu'ufa'atasi o le seleselega, palau ma le palau.
5. I totonu o pisinisi ta'avale, o ta'avale fa'ato'aga fa'ato'aga, ta'avale fa'ato'aga, ta'avale ea fa'alelei ma afi afi e fa'aaogaina uma tekinolosi fa'aau.
6. I le alamanuia ie mama, palasitika tui tui masini, pa'u vulcanizing masini, pepa masini, lomitusi masini ma ie masini faaaogaina hydraulic tekinolosi.