Has anyone ever kept a biro long enough to run out of ink? I’m pretty sure the ink’s unlimited and we just lose them.
Also, dental floss.
/joke
Has anyone ever kept a biro long enough to run out of ink? I’m pretty sure the ink’s unlimited and we just lose them.
Also, dental floss.
/joke
Yep, the ones that look full often don’t work at all while the ones that look like they have no ink at all can work for a surprising amount of time.