Introduction - If you have any usage issues, please Google them yourself
Simply put, when buildings collapse, falling objects or furniture inside crushes the roof of the gravity of these objects, so close to where they leave a space. This space is what I call the " triangle of life." The larger the object, the stronger, it is squeezing the smaller room. The object compacts, the more small, the larger the space, who is using this space free from injury more likely.