A simple device for carrying a wide sheet materials are easy to make yourself, having at hand two, tee, four corners and three or four water pipe section.
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BATTERY — 220!
Nowadays there are cases of power failure. In such a situation, can save the emergency power supply. For example, from a car battery with a homemade voltage Converter 12/220 V. Saw:...
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Hard to believe that everything is created by one person. Besides, not a graduate, but a simple fan design. As for the design and manufacture of completely heterogeneous machines...
