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Using zinc and solar power, keys can be duplicated. Zinc was used because we have experienced low sun with almost 100" of rainfall. A steel and brass version is in the works. The zinc key has been used over 20 times now and still works perfect.
EXCELLENT!
Thank you for the nice comment!

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Bio: You may recognize Dan and Denise Rojas from their appearances in various made for tv movies and national commercials. As the hosts of Green Power ... More »
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