Assertion: circuit breaker's contact | /r/MadeOf | silver alloys
Facets:
Source sentences:
text: Contacts are made of copper or copper alloys, silver alloys and other highly conductive materials.
text: Contacts are made from copper or copper metals, silver alloys as well as other incredibly conductive items.
text: Contacts are made of copper or copper alloys, silver alloys, and other materials.
text: Contacts are made from copper or copper metals, silver alloys as well as other incredibly conductive items.