Assertion: sonar | /r/CapableOf | work like radar
Facets:
value: by sending out sound
type: MANNER
Source sentences:
text: A sonar can work by sending out sound and listening for echoes (active sonar), like a radar, or by listening for sound made by the object it is trying to find (passive sonar).
text: A sonar can work by sending out sound and listening for echoes (active sonar), like a radar, or by listening for sound made by the object it is trying to find (passive sonar).