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.
Recommend to read
“PIPER”: A CONTOUR COPY
Competitions of different rank showed that as prototypes for the manufacture of contour models are used only a dozen types of aircraft. And to participate our aeromodelling circle in the...
THE CAR LEARNS TO SWIM
Among the huge variety of all-terrain vehicles of particular interest is the class of floating cars-amphibians. They are irreplaceable for geologists, exploration expeditions, the...