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
ANTENNA — A TIN CAN!
Viewers living in areas of new buildings high-rise buildings and besides, near the television station, I recommend to get a homemade antenna-loop. It works reliably even when the...
“UMBRELLA” IN THE GARDEN
A kind of umbrella made of sharpened timber th a plywood "roof", will help protect the tomato seedlings from hot sun or a sudden hail.
