
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
LARGE IN THE SMALL
— All big things in life starts small. And it's small already in your hands. Because you see a little further and a little deeper than your peers. Do not forget that in any work the main...
HOW TO AVOID FLOOD
Many families today live in multi-storey buildings and use of household washing machines. Everyone who connects this machine (for electrical switchboards and sanitary communications),...