Assertion: electrolysis cathode | /r/MadeOf | silicon
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The electrolysis cathode is usually made from silicon, graphite or a metal such as copper, steel or lithium iron phosphate.
text: The electrolysis cathode is usually made from silicon, graphite or a metal such as copper, steel or lithium iron phosphate.