Assertion: pencil sharpener's blade | /r/HasProperty | dull
Facets:
Source sentences:
text: If it takes more pressure to turn the normal pencil and sharpen it, the blade is dull and should not be used for soft-core artist-grade colored pencils, as you may risk losing a lot of money replacing them.
text: The blade is dull, the casing warped, and any hope of producing a nice pencil point was gone before you started.