If a wooden bar and drill two holes the diameter of pencils or flomasterom — get a new handy tool for drawing or sketching: one motion will be two parallel lines. Instead of a single bar it is possible to use two longitudinal halves, in which to choose the grooves for writing the stems and then tie or glue the workpiece.
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ON THE “TRAMP” – IN CYCLING
Our family vehicle — a three-wheeled velotandem "the Vagabond" — designed by me for tours. From the same konstruktsii it is distinguished by the absence of any irreversible...
AN EXAMPLE TO FOLLOW
Unlike analog, in the boat "Victoria" from St. Petersburg to create an air cushion and propulsive forces (thrust) uses an air screw. This allows the machine to move using both static and...
