O le tele o ituaiga o oloa ua faʻaaogaina lautele i le tele o fale gaosi oloa e pei o paʻu ma palasitika, metallurgical mines, savili ma le malosi faaniukilia, fale gaosi meaʻai, crane ma hoist, ma isi. fa'atinoga sili, tau fa'atauva'a ma auaunaga fa'apolofesa.