O meaola niniʻi o mea puipuia ia e faʻaalu ai le tuputupu aʻe o siama ma isi mea leaga, e aofia ai ma puloua. E maua le biocides i ituaiga eseese, pei o halogen poʻo metallic compound, organic acid ma organosulfurs. Taʻitasi taaalo se taua vaega i le vali ma coatings, vai vaʻa ...
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