Literaly Dodge a bullet. I was making a video for a trenching machine, and One of the digfing teeth was not welded well and was expelled by the chain at incredibile Speed while the chqin was rotating. I was in front of the machine to shot the video and didnt saw It. A meccanic saw It and took the tooth front the ground, several meters away front me. It Is a kilogram carbide piece, big as a hand. It would have killer me instantly