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