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Sieves ea molek'hule
Li-sieve tsa rona tsa limolek'hule li ka khotsofatsa likopo tsa hau bakeng sa likarolo tsa karohano tsa moea tsa Cryogenic (ASUs) li hahiloe ho fana ka naetrojene kapa oksijene, 'me hangata li hlahisa li-argon, ho felloa ke metsi ka khase ea tlhaho le ho monate, ho hloekisa hydrogen ts'ebetsong ea PSA.
