1. Uiga:
O le matou auala fa'ailoga vali rosin ester e fa'apitoa mo le vali fa'ailoga auala. vali fa'ailoga auala tu'u i luga resins lenei e tele vaega. e pei o le anti-pressure, anti-abrasion, antipollution. tulaga talafeagai ma vave mago, maualalo le vevela vevela e iai foi le tetee lelei i le samasama ma le matua.
2.Talosaga:
E mafai ona faʻamavaeina a matou vali taʻavale rosin resin i le manogi, aliphatic, ester ma le ketonic solvent, e mafai ona faʻafefiloi faigofie ma faʻafefeteina ma suauʻu resini, EVA mo le gaosia o le auala e faʻailoga ai le vali, faʻapipiʻi vevela faʻaogaina lautele i paʻepaʻe poʻo samasama vevela feʻaveaʻi vali. .
