Assertion: projector | /r/HasProperty | mounted to ceiling
Facets:
value: to the wall above the whiteboard
type: LOCATION
value: usually
type: TEMPORAL
value: first of all
type: DEGREE
Source sentences:
text: It is often necessary for a projector to be placed in a position outside the line perpendicular to the screen and going through the screen's center, for example, when the projector is mounted to a ceiling or placed on a table top that is lower or higher than the projection screen.
text: Well, first of all, most projectors today are mounted, usually to the ceiling, or the wall above a screen.
text: They can be mounted on ceilings or may be freestanding and portable.
text: Projectors can be mounted to ceilings or used as mobile devices.
text: The projector is usually mounted to the ceiling or to the wall above the whiteboard and is the source of the content being displayed.