A Google A Day - If your doorknob is made with this alloy of copper and zinc, it naturally disinfects itself. How many hours does it take to sanitize?

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A Google A Day - If your doorknob is made with this alloy of copper and zinc, it naturally disinfects itself. How many hours does it take to sanitize?

Post by NewsOnline on Sat Aug 06, 2011 4:14 pm

A Google A Day - If your doorknob is made with this alloy of copper and zinc, it naturally disinfects itself. How many hours does it take to sanitize?

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A Google A Day - How to find the answer 2011-08-03

Post by NewsOnline on Sun Aug 07, 2011 1:25 am

How to find the answer: Search [alloy of copper and zinc] to get brass. Search [brass self-sanitizing] and read to learn brass doorknobs typically kill most surface bacteria within eight hours of being touched.


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