User talk:Superduck463

Welcome to Wikipedia. At least one of your recent edits, such as the edit you made to Pressure, did not appear to be constructive and has been reverted or removed. Although everyone is welcome to contribute to Wikipedia, please take some time to familiarise yourself with our policies and guidelines. You can find information about these at the welcome page which also provides further information about contributing constructively to this encyclopedia. If you only meant to make some test edits, please use the sandbox for that. Thank you.