Vaega ma Faamanuiaga
1. 25 tausaga mamanu ola i le tulaga opeopea @ 20 °C
2.Tubular ipu lelei ma faaumiumi le olaga taamilosaga
3.High faʻatuatuaina faʻatinoga
4.Lead calcium mate lafo grid ma faaleleia corrosion gafatia tetee
5. Dry faʻapipiʻi faʻapipiʻi ma tuʻuina atu faʻamautinoa le umi o le fata
6.Patu-fa'amaonia fa'atasi ma fa'apolokalame fa'apitoa fa'apipi'iina