O pupuni fa'ama'i masani e masani ona aofia ai fa'ama'i ma'ina polyurethane ma lau fa'amama polyurethane.O lo'o fa'aaogaina ipu mata o le Polyurethane i metallurgy (u'amea, limestone, fluorite, fa'amalo o le ogaumu, coke ma isi mea mata), u'amea e le o le ferrous, koale, vaila'au, fala fale...
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