
For many years engaged in bookbinding business. Stapling the sheet sets at the root, not sew them, string, inserting in the cuts the block with a depth of 3 to 4 mm sturdy thread in the shown sequence. Then coat the lace with glue— everything works faster and stronger.
O. EVDOKIMOV, Saint-Petersburg
Recommend to read
THE PROJECT-MODEL-CAR
Design and manufacture of midget cars is one of the popular directions of technical creativity. This can be judged by the growing number of automodular presented at various technical...
Skiing behind a sailboat
When setting off on a long journey, a skier typically relies only on their own strength. However, it's quite possible to call on the wind for help by building a sailing tug for this...