4 METAL WORKING COMPOUND-NAMELY, SOLID LUBRICANT FOR USE IN MACHINE SHOP OPERATIONS-NAMELY, DRILLING, CUTTING, GRINDING, SANDING, SAWING, TAPPING, AND THE LIKE, AND ADAPTED TO MELT IN USE AND TO BE APPLIED TO A METAL OR FORMING INSTRUMENT TO BE PLACED AGAINST THE METAL TO FACILITATE A FORMING OPERATION THEREON