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