When ballpoint pens disposable over pasta, don’t throw it away. Pull the burner Assembly rinse it with Cologne and solder the electrical conductor. Passing the wire through the hole in the handle and setting the knot on the place you get comfortable pectroscopy for the tester.
O. GORYUNOV, Bishkek
Recommend to read
POWERED FLASHLIGHT
During the experiments, building various electronic projects there is often a need for a DC source of relatively high capacity. For example, the battery voltage of 4.5 V is composed of...
High-capacity vacuum cleaner
Before any home workshop maker sooner or later faces the problem of cleaning the workshop. However, it is not always possible to get by with a broom or brushes.
An optimal solution...