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.
1 Spray 6-8 inches from surface to be cleaned. 2  Wait for foam to turn from blue to white as it penetrates dirt and soap scum. 3  For tough grime, let foam sit for 3 minutes. 4  Rinse clean or wipe away foam with cloth or sponge when foam is white. 5  Wipe dry after rinsing if desired.  On chrome, rinse with water.