E 13 tausaga o le poto masani a Dalisheng i le mamanu ma le gaosiga o le Carborundum anti-skid FRP fa'asitepu fa'afefete fa'ase'e fasi ipu ipu.
E iai a matou ituaiga ogaoga:
1. Cheundum Suafa e leai se anti-sling fasi pepa
2. Carborundum ramp e tete'e mase'e fasi
3. FRP/fibre tioata e tete'e fa'ase'e fasi ipu ipu