(under subclass 339) Apparatus including means to support a first cutting tool in a first position for presentation to a workpiece, and including provision to allow movement of the first cutting tool from a first position to a second position for different presentation to the workpiece, and including means to support a second cutting tool in a first position for presentation to a workpiece and including provision to allow movement of the second cutting tool from the first position to a second position for different presentation to the workpiece, wherein the repositional movement of the first cutting tool is not necessarily accompanied by the repositional movement of the second cutting tool.