{HEAD ~ The invention} is also directed to a method of silver protection utilizing {TAIL ~ the above combination} 
{ HEAD ~ The invention } is also directed to a method of silver protection utilizing { TAIL ~ the above combination }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL