Fa'apipi'i mana'oga:
1. Ufiufi eseese coatings malo ma le ofuina tetee, maualuga vevela tetee ma corrosion tetee.
2. Meafaigaluega faʻapitoa e tusa ai ma manaʻoga o tagata faʻatau
Taua o Polokalama Zhenhua:
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Tuuina atu meafaigaluega faʻapipiʻi tutusa ma lagolago faʻapitoa faʻapitoa mo tagata gaosi oloa ma tagata faʻatau.
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Tuuina atu ni fofo lelei, maualuga ma taugofie mo le faʻaauauina o mea fou ma manaʻoga tuputupu aʻe o le alamanuia.
