The coatings can be used for {HEAD ~ the delivery} of {TAIL ~ an active ingredient} or a combination of active ingredients 
The coatings can be used for { HEAD ~ the delivery } of { TAIL ~ an active ingredient } or a combination of active ingredients
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 OTH