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
SEALANT? PREPARE YOURSELF
In practice household has long been used sealing paste, called "Mendeleev putty": it is usually sealed joints frame and the glass walls of aquariums. This sealant around the plastic at a...
A RELIABLE “BABY”
We offer mini tractor "baby-3" (the third model) was made by me in the calculation of the mechanized harvesting of hay. From here he and a sufficiently powerful power unit, and two...
