Assertion: fountain pen's ink | /r/HasProperty | visible
Facets:
value: on the back of the page
type: LOCATION
value: in clear demonstrator pens
type: LOCATION
value: often
type: DEGREE
Source sentences:
text: The ink is taken up and into the feed by way of capillary action (and is often visible in clear demonstrator pens), but is not dispensed onto the paper until the nib makes contact.
text: The ink dries quickly and doesn’t smudge, but there is some visible bleed-through on the back of the page.
text: Repeat until no more ink is visible when pushing water out of the pen, replacing the water if it becomes saturated with ink.
text: UV reactive inks are basically invisible inks that are only visible with a UV light (such as a blacklight).