G9138F o se maualuga-saosaoa, maualuga le lelei, maualuga saʻo ma le tele o oloa gaosia e le SDLG ina ua maeʻa suʻesuʻega atoa o manaʻoga maketi, lea e mafai ona faʻamaeʻaina le eleele ma le gaogao, slope scraping, bulldozing, kiona lafoaia, tatalaina, faʻapipiʻi, tufatufa mea, faʻafefiloi , ma isi, ma e masani ona faʻaaogaina i auala tetele, malae vaʻalele, inisinia puipuiga, fausiaina o laʻu, fausiaina o auala, fausiaina o le suavai, faʻaleleia fanua faʻatoʻaga ma isi tulaga faufale.