Short age pushpin! Careless movement or too rigid Board and the button breaks or bends. There are many various designs of holders for posters and maps — from the simplest (e.g., dozens privernutyh to the wall with clothes pegs) to quite complex. Recommend one method of fixation. This will require a steel strip with a thickness of 1 to 1.5 mm and a width of 20-30 mm and a dozen magnets such as magnetic door latches. Steel strip fixed by screws in the upper part of the chalkboard, but to secure the poster, it is enough to apply it to the strip and to press a magnet. The paper thus securely hold the magnetic forces of darkness. I. ANASTASIEV, Moscow
Recommend to read
SCREW TIGHTLY
In cases when you want to prevent turning of the screw, screwed into a Board or plywood, I use a very simple way. Of stiff wire or a nail, whose diameter corresponds to the width of the...
AMERICAN TANK DESTROYERS
The fighting of the "blitzkrieg" — start-up phase of the Second world war in Europe, first and foremost, stunning successes Germanic tank troops, clearly showed Americans that they have,...
