Assertion: projector | /r/HasProperty | cost-effective
Facets:
value: for meetings
type: PURPOSE
value: for conferences
type: PURPOSE
value: for business purposes
type: PURPOSE
Source sentences:
text: Projectors can be cost-effective because they only have to be on some of the time.
text: Most projectors that are cost efficient do not have high quality sound.
text: For business purposes, a projector can be a cost effective tool for meetings and conferences, and can also work in addition as a marketing gimmick, showing advertisements and more.