Assertion: solid state relay | /r/CapableOf | use semiconductor properties
Facets:
value: without relying on moving parts
type: MANNER
value: for control
type: PURPOSE
Source sentences:
text: The traditional form of a relay uses an electromagnet to close or open the contacts, but other operating principles have been invented, such as in solid-state relays which use semiconductor properties for control without relying on moving parts.