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