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Supanisi R25 R38 R51 oe viliina taula SDA faʻamau mo Underground Fausiaina
O le Self Drilling Anchor system o loʻo aofia ai se faʻamau faʻamau o le gaogao faʻatasi ai ma le osiga o falaʻau e fai ai le viliina, taulaina ma le fufui i se tasi o gaioiga. O le tagata lava ia o le taulaina o taula faiga e masani ona faʻaaogaina i le faʻamautuina o le malifa, tunneling muamua-lagolago, faʻavae ma micro piles ma isi galuega, lea e lautele faʻaaogaina i le maina, tunneling, nofoaafi, metro fausiaina ma isi galuega.
