When finished, do not rush to sweep away the iron filings: putting them on paper with the help of the charge from the back of the magnet and adding rosin, it is possible to make flux for soldering pencil. It is particularly effective when the tinning of aluminum. Pour the molten rosin with the addition of sawdust into a tube, twisted impregnated with paraffin paper. After cooling this “joint” is easily unwound, freeing the finished rosin core.
V. FEDOROV, Chop, Transcarpathian region.
Recommend to read
MORE ABOUT LIGHTNING
In the journal "modelist-Konstruktor" No. 12-97 was given to the Council on the restoration of the zip with the weakening of the lock slider need to pull it out with pliers. However, the...
RELIABLE HEAD PROTECTION
The human neck is very perfect mechanism that performs many vital functions. However, it is very compact, flexible and surprisingly agile. All this allows to consider it one of the most...
