E faʻaaogaina lautele i pisinisi eseese e pei o vailaʻau faʻainisinia, inisinia eletise, gaosiga o masini, fau vaa, eletise eletise, petrochemical, metallurgy, palama, vai togafitiga, gaosiga masini masini, paipa pneumatic, pipelines hydraulic, ma isi.