Offer a simple way for the manufacture of rivets. You must take two of the steel area of any size, clamp in a vise and drill the desired diameter, drill out the holes and then razzenkovku under sweat.
Sergei YEGOROV, the Chelyabinsk region, Kartaly
Recommend to read
MAGNETIC BUTTON
Short age pushpin! Careless movement or too rigid Board and the button breaks or bends. There are many various designs of holders for posters and maps — from the simplest (e.g., dozens...
TRACTOR
At school, for more than 40 years, engaged in the construction of various mechanisms to facilitate workplace and at home. (In the journal "Inventor and rationalizer" was placed in my...
