It is convenient to create a temporary memo — whether it is preparing the card for your file, or just notes about the latest Affairs in the coming days, or envelopes with letters awaiting answer: they are placed between the turns of the springs (preferably of large diameter). Ensure that the spring does not ride, attach the ends of tin or cardboard cheeks.
Recommend to read
SOLDERING HOOD
When soldering tin-lead solder emits vapours, which are very harmful, especially lead. The smell of rosin is not all pleasant. Some hams even have to leave your favorite passion -...
UAZ-3160
Ulyanovsk automobile plant, since 1954, specializiruetsya on the issue of AWD cars, buses and vans. In 1972, the plant mastered the production of all-terrain vehicle UAZ-469 (UAZ-3151)...
