I used to work in a shop that fabricated all kinds of displays, cabinetry, signage, etc. One day a few of us were talking around a workbench and suddenly there was a loud sound "SPWRAAAANG!" from across the shop. Easily 50 feet away, one of the guys was cutting extruded aluminum F-Channel
on the table saw with a 45-degree. Instead of cutting a length off, he basically just cut a triangle off the very end. I don't remember the specifics of how he had the saw setup, but the general consensus later was that it wasn't a good move.
So anyway, the "SPWRAAAANG" was immediately followed by an angry buzzing of an incoming projectile and a dull thud, then a yelp from the guy standing next to me. He had his hands resting on the workbench as we all were, and that triangular piece thrown from the saw had come it at scary speed to embed its prongs between the guy's knuckles.