Assertion: overhead projector | /r/CapableOf | serve to increase subject understanding
Facets:
value: by abstract concepts
type: CAUSE
value: by visually representing concrete applications
type: MANNER
Source sentences:
text: Overhead projectors have been around since the early 1960s, serving to increase subject understanding by visually representing concrete applications and abstract concepts.
text: Overhead projectors have been around since the early 1960s, serving to increase subject understanding by visually representing concrete applications and abstract concepts.