Fasten on the side of its walls pieces of rubber hose — doors of your car are always safe.
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SOURCE THREE “STREAM”
For connecting various electronic and household devices designed for a constant voltage of 9, 12 or 15 V, requires adapter (the adapter from the network 220V). Usually every device it...
THE INVISIBLE WATCHMAN
Generators of low frequency oscillations, as is known, can be used as a caretaker: intermittent loud noises warn of the approach of a stranger. On the same principle and made our...