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NC Locksmith Exam Section 3 2025 Questions and Answers All section key blank - --CORRECT ANSWER--the key section which enters all keyways of a multiplex key system Automatic key machine - --CORRECT ANSWER--a key machine capable of cutting keys with manual operation limited to loading and unloading key blanks Bell type key - --CORRECT ANSWER--a key whose cuts are in the form of wavy grooves milled into the flat sides of the key blade . The grooves usually run the entire length of the blade Bit - --CORRECT ANSWER--1. The part of the key which serves as the blade, usually for use in a warded or lever tumbler lock. 2. To cut a key Blade - --CORRECT ANSWER--the portion of the key which may contain the cuts and/or millings Blank - --CORRECT ANSWER--uncut key, see also key blank Bottom of the blade - --CORRECT ANSWER--the portion of the blade opposite the cut edge of a single bitted key ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1