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NC Locksmith Exam Section 7 2025 Questions and Answers Bitting - --CORRECT ANSWER--1. The numbers which represents the dimensions of the key, 2. The actual cuts or combination of a key. Bitting list - --CORRECT ANSWER--A listing of all the key combinations used within a system. The combinations are usually arranged in order of the blind code, direct code, and/ or key symbol. Block master - --CORRECT ANSWER--The one pin master for all combinations listed as a block in the standard progression format. Build-up pin - --CORRECT ANSWER--The additional element of a pin stack required to allow operation at different shear line in a cylinder Change key - --CORRECT ANSWER--1. A key which operated only one cylinder or a group of a keyed alike cylinders in a keying system, 2. Any device that is used to mechanically or electronically allow resetting of certain key or combination locks, see also "reset key" #1 Combination - --CORRECT ANSWER--The group of numbers which represent the bitting of key and/or the tumblers of a lock or cylinder ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1