Quote Originally Posted by NaeKuh View Post
*sigh*

Andy, its not instantanous cut like a water jet.

Its gradual, have particles, create impact, over time you will have abrasions.

You think the grand canyon was cut out using a waterjet?

Your using simple concepts like errosion.
but NaeKuh! Plain water does the same thing......... I think you guys are going a lot deeper then it really is!!! That is what Andy is trying to point out here IMO