Assertion: telescope's surface | /r/HasProperty | shaped
Facets:
value: properly
type: DEGREE
value: carefully
type: MANNER
Source sentences:
text: Secondary focus systems also have the advantage that both the primary and secondary reflecting surfaces may be carefully shaped so as to improve the gain over that of a simple parabolic antenna.
text: If the surfaces of the lens are shaped properly, the light is brought to a focus.