
Plastic body ball point pen is often broken, especially at the tip, near the writing unit. Operational offer a way out: to tighten tight the rod in a paper tube, taped the edge of the strand. This “ball” will serve to securely purchase the new.
N. ALIKIN, St. P etersburg
Recommend to read
CHANDELIER CHIZHEVSKOGO — TV
There are electric circuits of high voltage sources for aeroionizatora, which are collected on the basis of the automotive ignition coil. They are all quite simple and easily repeatable....
THE FIRST SWALLOW
Guided missile "air — air" RS-1-U. In the late 1940-ies the main Soviet fighter-interceptor was an aircraft cannon. They can be used effectively to strike aircraft at distances not...