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
FMA IA 63 Pampa (Argentina)
Development of combat training aircraft "Pampa" began in 1979, the Design was made on the basis of the aircraft "alpha jet", with the involvement of the company "Dornier". In 1981 began...
CLOTHESPIN… FOR CHIPS
Chips, widely used in the electronics industry, are increasingly used in Amateur practice. However, when itike them in charge or replacement from the wizard, you need increased accuracy,...