1. I le alamanuia o meafaigaluega masini, e 85% o le faiga fa'asalalauina o meafaigaluega masini e fa'aaogaina le fa'asalalauina ma le pulea o le hydraulic. E pei o le olo, masini milling, planer, masini broaching, masini lomitusi, masini seleina, masini masini tu'ufa'atasi, ma isi mea fa'apena.
2. I le alamanuia o u'amea, o le tekinolosi hydraulic e fa'aaogaina i le faiga e pulea ai le ogaumu eletise, faiga e pulea ai le olo ta'avale, fa'atumuina o le ogaumu tatala, pulea o le converter, pulea o le ogaumu fa'afuase'i, fa'aletonu o le strip ma le masini fa'afefeteina faifai pea.
3. E fa'aaogaina lautele le fa'asalalauga hydraulic i masini faufale, e pei o le excavator, pa'u ta'avale, keleni loli, pulutoso crawler, keleni pa'u, self-propelled scraper, grader ma le vibratory roller.
4. E faʻaaogaina lautele foʻi le tekinolosi hydraulic i masini faʻatoʻaga, e pei o le masini selesele faʻatasi, tarakota ma le suotosina.
5. I le pisinisi o taavale, o taavale hydraulic e fa'aaogaina uma le tekonolosi hydraulic, loli lapisi hydraulic, taavale e fa'aaogaina ai vaalele hydraulic ma taavale tinei afi.
6. I le alamanuia o ie mama, o masini e fa'apipi'i ai tui palasitika, masini e fa'apipi'i ai pa'u, masini pepa, masini lomitusi ma masini ie e fa'aaogaina le tekinolosi hydraulic.