
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
STAIRS+LADDER=LADDER
Before you know it — even autumn comes, harvest time. Collect what ugly earth in the garden, no problems. Harder to harvest with fruit trees, especially if they are old and tall. Have...
ONE-WHEELED TRACTOR
Compactness, maneuverability and good traction — the undoubted advantages of the one-wheeled tractor created at the station of young technicians in the city of Novotroitsk. They managed...