On this day, 19 November 1984 one of the world’s worst industrial disasters ever occurred when tanks in a PEMEX petroleum storage facility in San Juanico, Mexico, exploded, killing over 500 and burning over 5000 people. The plant’s safety features were woefully inadequate, but fixing them would have cut into company profits. https://www.facebook.com/workingclasshistory/photos/a.296224173896073/1268689653316182/?type=3