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
WITH TOYS — ON MODEL
In most circles of technical simulation in our country now, unfortunately, no funds to purchase even the basic necessities, not to mention the purchase of kits for making teaching AIDS...
“ARROW”, DID NOT MEET EXPECTATIONS
Shortly after the end of the great Patriotic war in the Soviet Union began to receive numerous captured documents and samples of military equipment. Among them, in a single instance did...
