U.S. Steel said pressure built inside the valve, leading to its failure. This allowed coke oven gas to escape and explode when it found an ignition source.
Neighbors of U.S. Steel's Clairton Coke Works and its workers react to the explosion at the plant on Monday that killed two and sent 10 to the hospital.
Millvale Tool Library recently acquired portable induction cooktops, available for the community to borrow for free. These energy-efficient appliances are a cleaner, climate-friendly alternative to gas stoves and can help improve indoor air quality.