The pressure from the collet pencil, put on the shank of a suitable diameter drill bit, turning it into the simplest depth gauge required for control when performing nescopeck, equal to the depth of the holes.
Recommend to read
AQUAPAD “DOLPHIN”
Dreams everyone has their own. Who about what, and Sergey Rudenko, an employee of city station of young technicians, in Slutsk, Minsk region, dreams of a children's technology Park. And...
DUET OF POLISH ATHLETES
This will meet not often. I must say that in my memory this is the first time Both champion's in one class (S6F) among boys and among adults the same team—Poland. But that's not all....
