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Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...
Flushing of a gas valve made during maintenance preparation may have led to the deadly explosion at the U.S. Steel Clairton ...
13hon MSN
Gas valve failure during routine maintenance work may have led to fatal explosion, US Steel says
U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...
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