Indlela yokukhupha ibhetri yejeli ilawulwa ivelufa, xa ibhetri yangaphakathi yoxinzelelo ifikelela kwindawo ethile, ivalve iya kuzivula ngokuzenzekelayo, ukuba ucinga ukuba yitekhnoloji ephezulu, eneneni ngumnqwazi weplastiki.Siyibiza ngokuba ivelufa yomnqwazi.Ngexesha lenkqubo yokutshaja, ibhetri iya kuvelisa i-hydrog...
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