3 ms·Or maybe they didn’t have whiteboard markers, only permanent ones.by pletnes 6y agoOr maybe they didn’t have whiteboard markers, only permanent ones.kalonis 6y agoThey had both, but some new hire confused them.failrate 6y agoIf someone writes on a whiteboard with a permanent marker, immediately black it out with a dry erase marker. Then wipe it off. The dry erase marker's solvent will release the permanent marker ink.