Quote:
Originally Posted by zmarkp
So a friend of mine gave a trusted contractor her garage keypad code so he could get in when she wasn't home. He called her back and said he knew exactly what her code was because those keys were cleaner than the others! He advised her to clean all the keypad keys regularly. I'm doing mine right now.
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Since a sophisticated thief can see what keys have fingerprints, I periodically touch all keys on any combination lock.