These secondary particles may be shaped by a series of methods into {HEAD ~ various geometrical forms} such as, for example, beads, {TAIL ~ extrudates}, etc 
such as
These secondary particles may be shaped by a series of methods into { HEAD ~ various geometrical forms } such as , for example , beads , { TAIL ~ extrudates } , etc
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH