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After deadly explosion at US Steel mill outside Pittsburgh, maintaining safety now falls to Nippon
Last year, an explosion at U.S. Steel's Clairton Coke Works outside Pittsburgh killed two U.S. Steel workers and injured 11 others, including contractors.
A federal safety agency investigating an August blast at a U.S. Steel plant near Pittsburgh that left two workers dead says it found safety shortcomings that “exposed” employees to the explosion.
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