
Thin drill bits are known to clamp in the Chuck of the drill difficult. However, there is a cartridge that copes with it easily — as used in the compass. That and they need to use it. Installing it in the drill and releasing of the leg of a compass, then insert it into the Chuck of a drill already is not difficult.
Recommend to read
RC MODEL HELICOPTER
Lately in the aviation modeling widespread flying models, radio controlled, including helicopters. For the first time such a model was demonstrated in 1959 at the all-Union competition...
“BIRD” IN THE SKY
The need for such airplane appeared when our young conovici already know the basics of management "phanerogam", and for them it is time to explore the simplest aerobatics. "Tit" (so was...