
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
TRICYCLE “FRIENDSHIP”
(The end. Beginning at No. 10, 1973) In the tenth issue of the magazine, readers got acquainted with the General layout of the three-wheeled micro-car, only "Friendship" design...
SVATONOVICE
Remember as a child playing with blocks. He puts down one, two, three, top zagromozhdaet yet — and it turns out a car, home or tower. Cubes rebellious, impatient child — the structure...