Assertion: air horn | /r/HasProperty | employed as vehicle horns
Facets:
value: widely
type: DEGREE
Source sentences:
text: Air horns are widely employed as vehicle horns, installed on large buses, semi-trailer trucks, fire trucks, trains, and some ambulances as a warning device, and on ships as a signaling device.
text: Air horns are widely employed as vehicle horns, installed on large semi-trailer trucks, fire trucks, trains, and some ambulances as a warning device, and on ships as a signalling device.