Required, when a small diameter drill bit fails to hold in the Chuck. But “sewing” it is better to “size” smaller: the nail or the drill navathe thinner copper wire — tightly, turn to turn, clockwise. Now, put the resulting spiral shank right drill: when the clamp and working the spiral to wedge and securely hold it in the Chuck.
Yuri ZHDANOV, Moscow
Recommend to read
DRIVING MAP-PRESCHOOLER
We in the circle of technical design Orsk city Palace of pioneers and schoolchildren is a homemade micro-car, only cards. Drive one of the older boys, they are machine fit like a glove....
PARANORMAL
In the family of PEUGEOT has a car class. Your first car, Armand Peugeot in collaboration with Leon serpolle built in the nineteenth century — it was heavy and bulky three-wheeled carriage...
