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 is the code required to unlock a GSM SIM card that has disabled itself after an incorrect PIN code was entered 3-5 times in a row. See: PIN. If an incorrect PUK code is entered 5-10 times, the SIM card will permanently block (disable) itself.