Methods for introducing a substantially uniform concentration of {HEAD ~ a functional agent} into {TAIL ~ a flowing stream} of water using a shaped composition 
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Methods for introducing a substantially uniform concentration of { HEAD ~ a functional agent } into { TAIL ~ a flowing stream } of water using a shaped composition
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH