This article may be confusing or unclear to readers. (August 2015) (Learn how and when to remove this template message) A generalization (or generalisation) is a concept in the inductive sense of that word, or an extension of a concept to less-specific English or mathematical criteria.
I always just used a good spray of Spray and Wipe on my whiteboard at school, and itâd come up clean everytime. The BETTER trick is knowing how to get permanent texta off your whiteboard when someone has picked up the wrong pen. Orange oil goo remover, then spray cleaner to get the orange oil off.
3. Wipe and dry the board. Once you have successfully removed the marker, rinse out your cloth or sponge with clean water to remove the cleaning solution. Wring out the cloth and wipe the board down with the damp cloth.This will remove excess cleaning solution. Then, dry the board with a clean, dry cloth.art 2 of 2: Removing Stubborn Stains and Permanent Marks. 1. Write over the stain with a dry erase marker. It may seem counter-intuitive, but the first step to remove stains or permanent marker or pen marks from a whiteboard is to write over the stains with a dry erase marker. Completely cover the stains.