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.
ALT+TAB Press and hold the ALT key, press the TAB key, then either keep tapping the TSB key or roll mouse scroll wheel to scroll through all your open windows. Select the open window you want to view and releasing the ALT key to make it the active window again.CTRL+ALT+TAB Press the CTRL+ALT+TAB keys, then either keep tapping the TAB key or roll mouse scroll wheel to scroll through all your open windows.Select the open window you want to view and press Enter to make it the active window again. EXAMPLE: Switch List in Windows 8 and 8.1 Here's How: 1.elect the open app you want to view and releasing the Windows key to switch to the app. OR 6. Press the CTRL + Windows + TAB keys, then keep tapping the TAB key to cycle through the list of your opened apps. Select the open app you want to view and press the Enter: key to switch to the app.