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
FUSE-“PHOENIX”
Overcurrent, short circuit for power supply... To protect against this scourge in the apparatus used old world as the means of fuses. Some are mounted in a special cartridge-holders,...
TANK, WHO MET IN WAR
The first meeting of these armored vehicles occurred in rebel Spain in 1936 to September this year, arrived at 41 German tank Pz-1. After a month on the boat "Komsomolets" was delivered...
