Assertion: coaxial cable's conductor | /r/HasProperty | copper
Facets:
value: usually
type: DEGREE
Source sentences:
text: It is made up of a conductor (usually copper) placed at the centre or core which is surrounded by an insulating sheath.
text: Inner conductors are copper while outer conductors are either copper or aluminum for cost and weight savings.
text: Inner conductors are copper while outer conductors are either copper or aluminum for cost and weight savings.