Today weâre going to discuss how to read terrain off of a map. Reading terrain is more about artistic visualization than it is science. There are three major factors that aid in the visualization of terrain from a 2d map: 1  Contour Lines.
First sign up for My Account, or log in, then: 1  Click Device & usage in the menu of the My Account homepage. 2  Scroll down the page until you see Device controls where the Unblock SIM (PUK code) is shown. 3  Once you have your PUK code, enter this into your phone to unblock your SIM.
PUK stands for 'PIN Unlock Key'. It's a unique code that is linked to your specific SIM card and is usually 8 digits long. Some phones may ask for a PUC code instead. This stands for 'PIN Unlock Code' and is exactly the same thing as a PUK Code.