Hrnell, which is currently a piece of 3M, marketed its absolute first welding protective cap auto-obscuring channel in 1981. A quarter century later, the innovation had set up a sound representing itself in the welding business. Welding head protectors give fantastic security as well as lift welding execution also. In the early years, these auto-obscuring[…]

Advantages of Wearing Auto-Darkening Welding Helmet Continue Reading