While this method has been found to be satisfactory for {HEAD ~ the, removal} of particulate contaminants, it lacks the ability to remove metallic contamination that occurs on {TAIL ~ both virgin and used workpieces} 
While this method has been found to be satisfactory for { HEAD ~ the , removal } of particulate contaminants , it lacks the ability to remove metallic contamination that occurs on { TAIL ~ both virgin and used workpieces }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL