Assertion: carbon's property | /r/HasProperty | important
Facets:
value: very
type: DEGREE
Source sentences:
text: Where physical properties are important but colors other than black are desired, such as white tennis shoes, precipitated or fumed silica has been substituted for carbon black.
text: Such materials emit electrons at room temperature under a high applied electric field, a property that is very important with regard to technologies such as flat-panel displays and electron microscopes.