Since the second reagent 17 is directed toward the first reagent, the amount of liquid reagent necessary to wet the first reagent 13 is reduced and {HEAD ~ the remainder} of {TAIL ~ the test pad} 12 may remain substantially dry 
Since the second reagent 17 is directed toward the first reagent , the amount of liquid reagent necessary to wet the first reagent 13 is reduced and { HEAD ~ the remainder } of { TAIL ~ the test pad } 12 may remain substantially dry
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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH