Drills, Bits, Knives, and Edged Tools for Turning, Boring, Drilling, and Cutting Purposes, Rolls for Rolling Wire and Metal Shapes, Dies for the Extrusion and Shaping of Plastic Substances, Dies for Wire Drawing and Metal Shaping, Nozzles for Streams of Liquids, Gases, Comminuted or Plastic Solids and Fluid Substances or Mixtures, Abrasive Blasting Nozzles, Gage Plugs, and Tips and Inserts Therefor, Bearing Elements, Plates, Inserts, Tubes and Shapes for Radial and Thrust Bearings, Wear Resistant Elements, Plates, Tubes, Rings, Inserts and Shapes Used on Machines and Tools for Resisting Physical or Chemical Wear or Deterioration, and Tools, Hammers, and Articles or Inserts Therefor for Grinding or Attrition Purposes