
What if you need to draw a circle, and a compass at hand is not! To get out of this situation by making a simple compass of the bent and strapped to the pencil in the right place for a stylus pen, as shown in the figure.
Recommend to read
TRAILER”THE ROCKER”
Doing for a long time, the construction and operation of velomobiles (was a prize winner of all-Union velofestivalya in šiauliai), I was convinced of their lack of practicality. The...
WHY STING “JADWIGA”?
Bee venom — a valuable and irreplaceable raw material for many drugs — get different. For example, when using the device "Jadwiga". It takes on a special frame-dosborne placed in the...