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