Experienced motorists have long noticed that the cans often “hidatsa” at the bottom corners. To extend the life of canisters, it is recommended to tie the box by rubber bands cut, for example, old car cameras.
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FLAP INSTEAD OF GLASSES
When working with a rotating cutting tool it is recommended to use special protective glasses. Their role can play a makeshift shield-the intake is made of metal strips and thin sheets of Plexiglas.
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,...
