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Tom julick

Mini Handle USB Keyboard Vacuum Cleaner - 0 views

    This Dust-free PC Desktop Keyboard USB Vacuum Cleaner works great in removing cigarette ash, dust, dirt from keyboard, desktop, or monitor. USB Powered Vacuum Cleaner with stretch USB cable is more convenient for use, requiring no external power source, just plugs straight into any USB port with this Keyboard Hoover.
Allison Kipta

Make your very own solar panel!  Here's how! Want to know how to Make a solar... - 0 views

    A solar cell is a device for converting energy from the sun into electricity. The high-efficiency solar cells you can buy at Radio Shack and other stores are made from highly processed silicon, and require huge factories, high temperatures, vacuum equipment, and lots of money. If we are willing to sacrifice efficiency for the ability to make our own solar cells in the kitchen out of materials from the neighborhood hardware store, we can demonstrate a working solar cell in about an hour.
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