When you do not have a suitable spanner to Unscrew the hex-head bolt will help out any screw with two nuts — preferably square-shaped.
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FLYWHEEL ELEVATOR
In the halls of the Central exhibition NTTM, dedicated to the XXVI Congress of the CPSU, it is possible to see many original designs and arrangements, created by young scientists,...
AT THE START — MINICAR
In every town and village there is a quiet side street with a slope, where you can organize exciting competitions manicurists. But for this first you need to build the minicar. Here,...
