Adjectives' order in a sentence

I have already shared a video about adjectives' degree. Now, I'm adding another tip for you:

Have you noticed that it is easy to memorize the name of a website?

So, if you memorize OSAS.COM then, the only thing you have to know is to add P (that stands for Purpose) 

Try this explanation here (1) and then do the exercise here (2) when you reach the end of the page you have a link for another exercise.