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
WINGED “FIATS”
Fighter FIAT CR-32. The plane, which will be discussed, for the five years preceding the Second world war, was a symbol of Italian fighter aircraft. Small, nimble, he observed the...
THE GLIDER IS A NEW TYPE
This unusual radio controlled model glider designed in an unconventional scheme: on the one hand, the idea of carrying the fuselage (or "inhabited wing"), the other — hard power...
