When working with such sensitive measuring instrument like micrometer, it is necessary to hold it with two hands — and what to hold on to what is measured! A kind of third hand may be that the bracket on the stand that allows you to quickly secure the MIC, freeing your other hand for holding the measured part.
Recommend to read
AMPHIBIAN XXI CENTURY
In late September 1998 in Irkutsk, an event occurred that had no publicity, but, nevertheless, its significance is far beyond the scope of this Siberian city. From the airfield of the...
AVAILABLE FOR BEGINNERS OR RACING FLAT FUSELAGE
For a year came into effect new rules on aviation sports, which legalized "school" subclasses of cord aircraft. One of them circuit racing vehicles. Different from "adults" only permit...
