Assertion: solar panel's wire | /r/MadeOf | copper
Facets:
value: generally
type: DEGREE
value: usually
type: TEMPORAL
Source sentences:
text: A wire is a single conductor (usually made of copper or aluminum, both of which have very good conductivity, malleability, and ductility).
text: Wires will generally be made of aluminum or copper, be solid or standard, are insulated, and meant to either pass through DC current or AC current depending on where they are positioned and connected.