{HEAD ~ The oligodynamic metal} used in accordance with the invention is typically {TAIL ~ a heavy metal} such as copper, silver, gold or their alloys including intermetallic compounds thereof 
is typically
{ HEAD ~ The oligodynamic metal } used in accordance with the invention is typically { TAIL ~ a heavy metal } such as copper , silver , gold or their alloys including intermetallic compounds thereof
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH