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.
Recommend to read
WHAT BRAND OF CEMENT?
The quality of cement is usually determined by destruction of the samples. Moreover, this process lasts from seven to twenty-eight days. To speed it up decided young technicians of the...
ADDING MACHINE FOR “KIDS”
Now, not only in family but also in kindergartens of children of five, six, and even earlier beginning to see the first difficulties addition and subtraction within the initial two or...
