Assertion: cardioid microphone | /r/ObjectUse | used for theatre
Facets:
value: in order to allow
type: PURPOSE
Source sentences:
text: A lavalier microphone or lavalier (also known as a lav, lapel mic, clip mic, body mic, collar mic, neck mic or personal mic) is a small microphone used for television, theatre, and public speaking applications in order to allow for hands-free operation.