It’s hard to keep lightning screw or the screw when tightening, especially in the beginning. Take an ordinary plug wrap the teeth with a strip of plastic film from household paneth and pierce it with a screw that tighten, additional support will be required.
Recommend to read
CAR “GAZ-11-73”
The family car, which was launched at the Gorky plant in 1936, the machine "M-1" is, except it, there are four versions: semi-truck — "truck" "415", "sedan" "11-73", "Phaeton" "11-40"...
ELLIPSOGRAPH
ELLIPSOGRAPH — is the name of this simple device. It can be used to draw an ellipse with any ratio of the semiaxes. It is enough to set into the holes on the line of alignment pins to...
