Gas valve failure cited in deadly explosion at U.S. Steel plant 0 16.08.2025 23:37 United Press International (UPI.com) The deadly explosion at Clairton Coke Works near Pittsburgh occurred when a gas valve was flushed before planned maintenance, U.S. Steel said in preliminary findings. Партнёры Smi24.net Все новости за 24 часа Музыкальные новости Агрегатор новостей 24СМИ