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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IN A MODERN STYLE
Round tables are in fashion: buying new furniture, they are often sent to a landfill. However, this is hardly justified. To verify this, just look at the figure — four boards plus round...
AN EXPENSIVE EXPERIMENT
Bomber XB-70 VALKYRIE. The first jet bomber the BOEING b-47 came to the command of the U.S. air force in late 1951. However, the aircraft with maximum payload of about 10 tons could...
