Assertion: cathode ray tube | /r/CapableOf | use focused beam of electrons
Facets:
Source sentences:
text: Cathode ray tubes (CRTs) use a focused beam of electrons deflected by electric or magnetic fields to render an image on a screen.
text: Cathode ray tubes (CRTs) use a focused beam of electrons deflected by electric or magnetic fields to create the image in a classic television set.