When There’s A Lot Of Smoke, Mist, Fumes, And Fine Dust Coming From Machines Like Welding, Soldering, Annealing, Tinning, Curing, And More, It Results In A Lot Of Environmental Pollution. To Add To That, There Is All Kinds Of Dry And Wet Dust From Other Machines Like Iron Machining, Tool And Cutter Grinders, Polishing, Mixing, Stripping, Etc.