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
DANCING SET
The first impression when you look at this unusual furniture — it must be not very stable and probably too fragile, not intended to be familiar to such items load. Indeed, could it be...
The backpack isn’t a foreigner
Students use all kinds of “containers” for textbooks on their way to school — from fashionable backpacks and briefcases to canvas sacks and plastic bags. But while older students are...
