Related Clues:
- Does comic-book work
- Ballpoint fills
- Graphic artist's stock
- Marker fillers
- You�ll find them in well-equipped schoolrooms
- Become submerged head to toe in black liquids
- They may be all penned up
- Fountain-pen fillers
- Color printer purchases
- 26-Across materials
- Approves, as an act
- Printer cartridge fillers
- Tattoo parlor's supply
- Contents of printer cartridges
- They may be invisible