SCISSORS WITH RULER

SHEAR LINEThey 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

  • SAVED THE VEST FROM MATTRESSSAVED THE VEST FROM MATTRESS
    If you have an old inflatable mattress, consisting of several independent sections, it is easy to adapt as life jacket for boating. You will have to sacrifice one of the middle sections,...
  • COUNTRY ASSISTANTCOUNTRY ASSISTANT
    For cultivating soil in garden plots most appropriate mechanism to consider a walk-behind tractor. It has a small footprint and consumes few fuel, has the necessary agility and...