Assertion: fountain pen's nib | /r/ObjectUse | used for alteration
Facets:
Source sentences:
text: Finer nibs (e.g. extra fine and fine) may be used for intricate corrections and alterations, at the expense of shading and sheen.
text: Finer nibs (e.g. EF and F) may be used for intricate corrections and alterations, at the expense of shading and sheen.