The 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
TANK, WHOSE “SWINGING” TOWER
Oscillating turret French light tank AMX-13 was only one of the features of this machine. Another feature is a violation of the creators of the familiar classic layout, when the power...
ON THE SAME SNAKE
All probably know what a kicksled. Very comfortable design, but it was too heavy and bulky. Once the IIA came up with the idea: is it possible to lighten them and make them leaner? It...
