The concentrations of the constituents of the broth are {HEAD ~ an important factor} in making {TAIL ~ microbeads} by the internal gelation process 
The concentrations of the constituents of the broth are { HEAD ~ an important factor } in making { TAIL ~ microbeads } by the internal gelation process
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH