Assertion: antenna | /r/HasProperty | metal
Facets:
value: usually
type: DEGREE
Source sentences:
text: Antennas are usually metal and have a wide variety of configurations, from the mastlike devices employed for radio and television broadcasting to the large parabolic reflectors used to receive satellite signals and the radio waves generated by distant astronomical objects.
text: An antenna or aerial is a metal device made to send or receive radio waves.
text: An antenna or aerial is a metal device made to send or receive radio waves.