
For fastening small diameter drill bits in the Chuck mini-drill, the assistant Amateur radio operators and hobbyists, perfect for collet clamping device of an ordinary compass, which is a graphite rod is inserted a thin drill bit.
D. BELICHENKO, Dnepropetrovsk
Recommend to read
THE MARKER PEN
The computer and the printer will not help, if you want to run large multi-coloured lettering, for example, on a festive poster. Rescued a set of old poster feathers. But if they are not...
IN THE SOCKET — THAT!
On the switchboard garages, workshops and home labs often use the same sockets to connect consumers designed for high (220 V) and low (12V) voltage. The danger is the inclusion of...