To secure the various parts often used connection, using the so-called lock nuts. However, you can do without it. For this it is necessary to saw through the nut, as shown, and tightening it slightly to hit with a hammer.
Recommend to read
THE SHELF ON THE LADDER
Sometimes when working on a ladder is required to extend, trim some detail, and to use the necessary tools. Great convenience will create a removable stopni-workbench, which is easy to...
UNDER THE “PARASOL”
Despite the popularity of radio controlled model airplanes-srednevekov, the attention of designers-modelers often drawn to the now obsolete scheme. And this is understandable — after...
