O le pusa pusa pa puipui o se faiga puipui tele-seluila gaosia mai le ueloina Zinc-Aluminum ufiufi / vevela uamea uamea uamea uamea ma faʻapipiʻi faʻatasi ma soʻoga faʻatasi, helic coil.
O pusa MIL iunite o lo'o fa'apipi'iina i galuega mamafa e le'i lalagaina polypropylene geotextile. Hesco pa puipui / hesco bastion e mafai ona faʻatumu i oneone, eleele, sima, maʻa, ona avea lea o se puipui puipui poʻo se paʻu ma faʻaaoga lautele i le militeli e puipuia ai le saogalemu.