Best rated laser welder shopping UK
So what about darkening? A huge part of the purpose of a welding helmet is to be a nearly opaque viewscreen through which you can watch a weld without staring directly at the eyesight-destroying arc of your welding. Cheaper welding helmets have a fixed level of darkening. These are fine if you have a specific kind of welding you do all the time and can tailor your helmet to that kind of welding. If you…