{TAIL ~ The inventive method} has been found to produce a workpiece having {HEAD ~ a very low level} of metallic and particulate contaminants on its surface 
{ TAIL ~ The inventive method } has been found to produce a workpiece having { HEAD ~ a very low level } of metallic and particulate contaminants on its surface
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH