1. A METHOD OF MAKING A ONE PIECE INTEGRAL/COMPOSITE POLYFUNCTIONAL TOOTHED WORKING PART ADAPTED FOR ROTATION ABOUT AN AXIS AND HAVING AT LEAST TWO CONCENTRIC ANNULAR RINGS OF TEETH DISPOSED ABOUT THAT AXIS, ONE OF SAID RINGS OF TEETH BEING UNOBSTRUCTED BY ANY PORTION OF SAID WORKING PART AND ANOTHER OF SAID RINGS OF TEETH BEING RECESSED WITH RESPECT TO SAID FIRST RING OF TEETH, SAID METHOD COMPRISING FORMING A WORK PIECE BY MACHINING METAL STOCK TO OUTLINE SHAPE, CUTTING SAID RECESSED TEETH BY ROTATING A ROTATABLE CUTTING TOOL HAVING AN END CUTTING FACE IN CONTACT WITH THE BLANK WORK PIECE AND MOVING SAID WORK PIECE RELATIVE TO THE END CUTTING TOOL IN ONE DIRECTION AND ROTATING A ROTATABLE CUTTING TOOL HAVING SIDE EDGE CUTTING FACES IN CONTACT WITH SAID WORK PIECE AND MOVING SAID WORK PIECE RELATIVE TO THE SIDE CUTTING TOOL IN ANOTHER DIRECTION TO DELINEATE SAID TEETH, AND CUTTING SAID UNOBSTRUCTED TEETH BY REVOLVING EDGE CUTTERS OF A GEAR CUTTER IN CONTACT WITH THE BLANK WORK PIECE AND MOVING SAID WORK PIECE RELATIVE TO THE GEAR CUTTER TO DELINEATE SAID TEETH.