How to remove stains on walls without removing the wall paint

Stains on walls are a common problem, whether it is traces of pencil left by children or splashes of food resulting from cooking. However, removing these stains can be a challenge, especially if you do not want to remove paint from your walls. Fortunately, there are ways to remove blemishes on walls without damaging the paint. Here are some tips and tricks to help you get rid of these annoying spots.