Implicating graphite_(artwork) → traditional_media_(artwork)
Link to implication
Reason:
Work with graphite involves pieces utilizing graphite to create artwork, aka it is a form of traditional art.
Related implications
1 All pencil works involve the use of graphite, but not all graphite works involve pencils. Imho it seems like an appropriate implication. Also remove pencil's traditional art implication, graphite would imply it.
Updated