It often happens that a brand new, recently purchased, pasatizhi, pliers, wire cutters, etc. can neither open nor close. The easiest way to prepare the instrument for operation with abrasive powder (waste ocilogon stone, fine sand, etc.) For this these pliers it is necessary to moisten and sprinkle with abrasive. Twenty to thirty movements and they work without applying effort.
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MAGNETIC FINGER…
I think many who have to work with small metal objects. will be useful to my "magnetic" finger, or rather — rubber fingerstall to which is glued a small square of a permanent magnet.
FROM THE “UNDERWATER FROG” TO THE SUBMARINES-“DINOSAURS”
As we have seen, the "underwater thing" in France during the time of Napoleon special did not develop, despite quite a rich flow of suggestions, starting with Robert Fulton. However,...
