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