
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
GEAR FOR SNOWMOBILE
Designers snowmobiles know that linking directly to the crankshaft of the engine and the propeller is unprofitable: too high engine speed do not allow to use aredigital optimally. To...
NIGHT TRAP
Suspended in the area, it will distract on itself, annoying insects, and gardening can be destructive to pests. The secret simple trap, judge for yourself. In a flat...