text:  And so once you've damaged that battery, it might cause basically what you call a short circuit inside the battery so that then it'll sit there and heat and start a fire. And they can be quite explosive when they do start a fire, kind of like a fountain. You sit there and all of a sudden it's just like a little fountain or jet engine torching out the side of that battery. So when they do go off, they're pretty good at catching things around them on fire. The other issues we're seeing, aside from that,