Quiz: The Ultimate Combination Locks Quiz
The Ultimate Combination Locks Quiz
By: Staff
Image: refer to hsw

About This Quiz

Combination locks -- the keyless lock on your gym locker or the more complex ones found on safes -- are a very effective way of securing your belongings without the risk of losing a key. You turn the dial this way and that way, and eventually the lock opens. Wouldn't you like to know what's happening inside the lock? Take this quiz to learn more about how combination locks work.

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