I worked in a machine shop for four years, and I can tell you that stuff happens no matter how good your gear is. There's always the odd bit of debris that boun

I worked in a machine shop for four years, and I can tell you that stuff happens no matter how good your gear is. There's always the odd bit of debris that bounces off your dust mask or something at just the right angle to make it under the small gap between your goggles and your face.