Fna faavaeina i le 2003, faatasi ai ma le tele o tausaga o taumafai ma faaleleia, ua avea i matou ma taʻutaʻua o Saina gaosiga o le malosi maualuga PP lalaga geotextile ma geotextile tubes.

Honghuan e le o se kamupani atoatoa ae taulai atu i oloa faapitoa, malosi maualuga lalaga geotextile, geotubes.

Matou te tuuto atu e tuʻuina atu le lelei sili atu ma le auʻaunaga faʻatau i a matou tagata faʻatau, tuʻuina atu fofo fou e lagolago ai luʻitau o galuega faufale, atinaʻe, siosiomaga faufale.