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