Elements that can be added to silver to produce {HEAD ~ useful silver alloys} include zinc, aluminum, copper, {TAIL ~ manganese}, germanium, yttrium, bismuth, scandium, and cobalt 
include
Elements that can be added to silver to produce { HEAD ~ useful silver alloys } include zinc , aluminum , copper , { TAIL ~ manganese } , germanium , yttrium , bismuth , scandium , and cobalt
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH