 They go off like welding. They just ignite. They become white hot. And they are not going to burn until they've consumed everything in there that is consumable. That's it. That's how it works. You've seen, I remember when I was vaping, they have those vapes with the batteries. And some people had their batteries leak, whatever, cracked open because they dropped their thing. Things in their pocket, it suddenly spontaneously combusts, burns the hell out of their legs.