Assertion: ballpoint pen's ink | /r/AtLocation | ballpoint pens
Facets:
Source sentences:
text: Contrary to popular belief, the ink found in ballpoint pens are not toxic.
text: And even if the gel type poses relatively higher chances of skipping, as it is less viscous than liquid-ink, it is still negligible compared to the skipping frequency of oil-based ink found in a ballpoint pen.
text: Roller ball pens or roll pens are pens which use ball point writing mechanisms with water-based liquid or gelled ink, as opposed to the oil-based viscous inks found in ballpoint pens.