To work poster pens are very convenient, and who was fine — what makes them miracles: you can always pick up the desired width of the line, replacing the pen on the right more. But each can hold only one “track”. But this small improvement allows us to obtain two parallel lines… in a single pass. For this, needle files propisyvaetsya portion of the working edge of the Pera: are formed like two pens in one.
Recommend to read
THE MASS “SELF-PROPELLED GUN” OF THE GREAT PATRIOTIC
An important component of the armored weapons of the red Army during the great Patriotic war was self-propelled artillery. As you know, the red Army did the heavy (SU-152, ISU-152 and...
Thermal Cutting Jigsaw
A jigsaw is a common tool. However, when working with it, one often runs into certain difficulties: the blade breaks, slips out of the clamps, and when cutting along a curved contour it...