Unlike conventional pad cleaning systems that use only a single outlet to supply dressing solution, the inventive pad cleaning system uses two outlets, where the second outlet supplies dressing solution at {HEAD ~ a pressure} greater than {TAIL ~ the first outlet} 
greater than
Unlike conventional pad cleaning systems that use only a single outlet to supply dressing solution , the inventive pad cleaning system uses two outlets , where the second outlet supplies dressing solution at { HEAD ~ a pressure } greater than { TAIL ~ the first outlet }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL