Assertion: laser | /r/ObjectUse | used in communication
Facets:
value: landing systems,
type: OTHER
value: in carrying tv and internet signals
type: OTHER
Source sentences:
text: They are used in communications and in carrying TV and internet signals.
text: Lasers are also being used in communications, laser radars (LIDAR), landing systems, laser pointers, guidance systems, scanners, metal working, photography, holography, and medicine.