{HEAD ~ The powdered material} of the seal is made up of {TAIL ~ particles} of varying size from 10 to 0.1 microns as this has been found to maximize the effectiveness of the seal 
is made up of
{ HEAD ~ The powdered material } of the seal is made up of { TAIL ~ particles } of varying size from 10 to 0.1 microns as this has been found to maximize the effectiveness of the seal
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH