{HEAD ~ The dressing solution} is also supplied substantially at a radial line from {TAIL ~ the pads center} to its edge, at an angle to the pad and at a second pressure greater than the first pressure  
{ HEAD ~ The dressing solution } is also supplied substantially at a radial line from { TAIL ~ the pads center } to its edge , at an angle to the pad and at a second pressure greater than the first pressure
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL OTH OTH OTH OTH OTH REL TAIL 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 OTH