The first outlet supplies a dressing solution, such as deionized water, onto {HEAD ~ the pad} at {TAIL ~ a first pressure}, substantially at a single point on the center of the pad 
at
The first outlet supplies a dressing solution , such as deionized water , onto { HEAD ~ the pad } at { TAIL ~ a first pressure } , substantially at a single point on the center of the pad
OTH OTH 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 TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH