UPGRADE SCREWDRIVER

MODERNIZATION SCREWDRIVERThe tightening of a screw into a solid material gives a lot of trouble. Enough only slightly to tilt the screwdriver as that breaks down, sometimes cutting slot of the screw. To avoid this trouble will allow the following advice. Sharpen a screwdriver with a semicircular file or emery wheel — as shown in the figure. Work will become easier.
 
A. BARANOV, Prokopievsk, Kemerovo region.

Recommend to read

  • OR ICEOR ICE
    For a uniform bending of the tubing, especially thin-walled, usually filled with sand. But it may happen that at the right moment it will not be on hand. In this case, it is possible to...
  • B-25 Mitchell BomberB-25 Mitchell Bomber
    RC replica model in 1/9 scale American bomber during the Second World war. Model made from balsa and plywood construction designed for use with internal combustion engines.     ...