This case involves a young boy that suffered a traumatic brain injury as a result of a propane tank explosion. The child was at a pool club that had propane tank grills onsite. The child was playing a game with other children at the club and ran behind the propane tank in question. The tank subsequently exploded. An expert in metallurgy and materials science was sought to analyze the metal and material composition of the propane tank and speak to how they contributed to the explosion.