What are the 6 types of hazards in the workplace?

Re-enter the building without the permission of authorities

According to the U.S Fire Administration, you should not go back inside a burning building. Apart from the risk of burning, the increasingly depleted oxygen levels and high amount of toxic gases could pose a great hazard to your life. Leave the fire-fighting to the authorities, even if you know that someone is stuck inside the burning building.*##**##*