FIG 6 shows {TAIL ~ a method} 600 that summarizes the cleaning action of an embodiment of {HEAD ~ the invention} 
FIG 6 shows { TAIL ~ a method } 600 that summarizes the cleaning action of an embodiment of { HEAD ~ the invention }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD