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