
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
CARS FOR KIDS COURSE
Pedal cars of the type "Card" and "the idea of crossbreeding", produced by our industry, are very popular with children. But these machines could be even more widespread, when...
THE TAMING OF THE EXTENSION
Long cord extender often gives a lot of trouble: tangle, tied knots... to get Rid of this kind of "Gordian knot" will help a simple device — a wooden cross, fixed to the bottom of a...