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Sieves mole
O a matou sieves mole e mafai ona faʻamalieina au talosaga mo le Cryogenic air separation units (ASUs) ua fausia e tuʻuina atu ai le nitrogen poʻo le okesene ma e masani ona faʻapipiʻi argon, faʻamama kasa masani ma suamalie, faʻamamaina o le hydrogen i le gaosiga PSA.
