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DIFFERENCE BETWEEN AL AND ND SERIES
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What is a mechanical Lock?
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A lock is any device which prevents access or use by requiring special knowledge or equipment. Mechanical locks are mechanical devices which secure an opening by keeping a door closed until a rel...:
What is the difference between the ND93 and ND95?
Resolution:
ND93PD (ANSI F88) Vestibule LockLatch retracted by key from outside when outside lever is disengaged by key in inside lever. Inside lever is always unlocked. ND95PD (ANSI F110) Classroom Securit...: