The solution is then cooled, and {HEAD ~ the dye} collected by filtration and dried in {TAIL ~ air} 
dried in
The solution is then cooled , and { HEAD ~ the dye } collected by filtration and dried in { TAIL ~ air }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL