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
CUSHION OF CUPS
During the repair for painting vodoprovodchik pipe I use the simple and comfortable cushion made of NZ scrap materials: empty spool under thread is sheathed with synthetic fur and...
SAILING COAT
We can say that in the mid 30-ies of the aircraft wing went down from the sky... ice. It was then that ka "ice birds" high — speed snowmobiles — instead of sails began to put aerodynamic...
