{HEAD ~ The method} 14 which includes selecting {TAIL ~ an elastomer} from the group of elastomers consisting of nitrile butadiene rubber, fluoro elastomers, including perfluoroalkyoxy polymers, and ethylenepropylenediene monomer 
includes selecting
{ HEAD ~ The method } 14 which includes selecting { TAIL ~ an elastomer } from the group of elastomers consisting of nitrile butadiene rubber , fluoro elastomers , including perfluoroalkyoxy polymers , and ethylenepropylenediene monomer
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL 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