
They say: “measure twice — cut once”, but if one of the shear blades to cause a spark or graviroval marker centimeter scale, as shown in the figure, from a preliminary marking in many cases will be abandoned. It is sufficient initially to dissolve the scissors so that the point of intersection of the blades were “0” and then to control the magnitude of the slit displacement of this point relative to the scale.
A. VASILIEV, Krasnoyarsk
Recommend to read
SUNSET GRANDEUR “MISTRESS OF THE SEAS”
The prospects for the British economy in the interwar period could not be called bright. The biggest Empire in the world is only superficially looked unshakable; in fact the problems...
SPRING A BLUEPRINT
Currently in stores you can easily buy any necessary household products. At the same time, attention and creative efforts of Amateur designers more going on technically complex objects:...