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
“WAGTAIL” IS THE AUTOGYRO FOR THE SUBMARINE
The first and most important work on the rotating propeller to generate lift forces were made in the period between the world wars. Thus, it was found that the spinning rotor can...
WARDROBE FROM WARDROBE
Early furniture has served its owners for quite some time, sometimes even several generations. But in our time it quickly becomes outdated morally — design or design. And then this...