Particles Such As Those From Grinding, Sanding, Sweeping, Sawing, Bagging Or Processing Minerals,
Silica, Coal, Iron Ore, Heavy Metal, Flour, Wood, Pollen And Certain Other Substances. Liquid Or Non-oil
Based Particles From Sprays That Do Not Also Emit Oil Aerosols Or Vapors. Metal Fumes Produced From
Welding, Brazing, Cutting And Other Operations Involving Heating Of Metals.