To fix the drawing paper on the drawing Board, a Board which is made of particle Board, is difficult. For anchoring one corner you have to use some drawing pins, as they bend. If you use a magnet like a hammer, then every button, holding it will be included in the Board and fix the paper.
A. PROKOPENKO, Kiev
Recommend to read
THE FASTEST FIGHTER AIRCRAFT OF THE SECOND WORLD
The priority of the German aircraft industry in jet aircraft does not diminish the role of other countries that have joined before the Second world war in the "reactive" race. And each...
THE CREATORS OF “FIRE ARROWS” (PART 2)
Reactive BM-8-24. In August 1941, took arms 82-mm rocket M-8. It was a modification of the aviation RS-82 for use in the field artillery, which had almost twice the mass of the...
