Fa'apipi'i mana'oga:
1. Fa'aofuofu tete'e, tete'e masi, tete'e corrosion, oxidation tetee ma isi ata tifaga faatinoga
2. Le vai ma anti-fouling ata tifaga
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.
