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