To spend simply a circle on a plane costs nothing with the help of a compass. But what if this line should cover a cylindrical billet? For a rough layout, you can use string or a rubber ring. The marking will be more accurate if the workpiece perpendicular to lower the fluid: boundary wetting will become the desired line. Another option is to wear to the cylinder tube of suitable diameter or wrap it with a strip of paper, foil.
Recommend to read
BALSA WON’T NEED! OR GLIDER OF THE NEW GENERATION
First of all look at the model-a benchmark that we have chosen as a "prototype". This glider was created by the Dutch athletes, having rich experience and traditions in the design of...
COMMAND CHANDELIER
The majority of apartments have internal wiring is three wires, one of which is zero, and the other two are derived for the switch. In the slot of the switch there are three wires, two...
