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INSULATOR FROM THE JAR
Tins of film can be used if necessary as insulators or junction boxes to protect the connections from two to four and even six electric wires. To do this, the lid of the jar need to do...
SHE WAS THE FIRST
Guided missile anti-aircraft missiles V-300. It was designed to defeat aircraft with a flight speed of 1500 km/h at altitudes from 5 to 25 km and at a distance of 35 km the First...
