Often Amateur radio operators required to shorten ferrite round rod, familiar to many of the built-in antenna handheld radio. But this material is difficult to machine. Dealing with it will succeed, if you put the rod in the Chuck of a drill and to bring to him with a certain force glass cutter: ferrite break off at the planned “diamond” line.
V. FEDULOV, Chop, Transcarpathian region.
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