Deadbolt
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A deadbolt is a special kind of locking mechanism. They are more secure than ordinary key-operated locks because the weight of the locking bar is usually sufficient to increase break-in time to 10 or 15 minutes.
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A deadbolt is a special kind of locking mechanism. They are more secure than ordinary key-operated locks because the weight of the locking bar is usually sufficient to increase break-in time to 10 or 15 minutes.
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