The notch in the sample affects the results of the impact test, thus it is necessary for the notch to be of regular dimensions and geometry. The size of the sample can also affect results, since the dimensions determine whether or not the material is in plane strain. This difference can greatly affect conclusions made.
At any point if you would like to enable touch screen functionality again, simply go back to the Device Manager, right-click HID compliant touch screen, and select Enable. Remember, you will be required to restart your PC to enable the touch screen functionality again.
Level 10 (86,700 points). You have to tap on that tab to activate it and see that web page. That tab will open but you will still be on the page that you are currently viewing. You can open a tab in the background and keep browsing the page that you are already on. When you open new tabs in the foreground, the tap opens on the screen that you are watching and the web page that you were browsing, drops to the background.