Assertion: antimony's number | /r/MadeOf | copper
Facets:
Source sentences:
text: Antimony enters into the composition of a large number of commercial alloys, including antimonial lead (lead containing up to 4 per cent, of antimony) which is used for the framework of accumulator plates, lead shot (in which antimony replaces the more usual alloying element arsenic), lead anodes for chromium plating and other purposes, type metal (consisting of alloys of lead, antimony, tin and sometimes copper), Britannia metal and pewter (alloys of tin, antimony, lead and sometimes copper and bismuth), and antifriction metals, such as Babbitt metal (a wide range of alloys, a number of which contain tin, lead, antimony and copper).