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.
Cover the marks again with dry erase ink, allow it to dry, and then rub the board with a cloth or eraser. 4. Clean and wipe the board. Once you have removed the permanent stains or marks, clean the board to remove any remaining marks. Dampen a cloth with a cleaner and wipe the board vigorously with the damp cloth.