Broad brush painting is quicker. And if one is not at hand? In this case, it will help out the spark of two narrow. If the workload is small — they can simply attach sideways to each other with tape. For long work better to seal them together using thin strips (for example, a school ruler), as shown in the figure.
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WHITE ON BLACK
To reduce the time for selection of drills and taps the desired diameter can be, if you whiten them with chalk engraved on their shanks marking. POLYAKOV
TO NOT UNSCREW THE SCREW
To nut the connections didn't loosen during operation of the device, usually put the second (jam nut) or enclose the washer Grover. If such is not at hand or you need to fix the little...
