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