To harden a steel part in a domestic environment, it must first be heated, as, for example, on a gas burner. However, the question arises: what is its holding? Pliers or forceps are not very comfortable with this, as they themselves get really heated, delaying the process. Better to hang the item on a wire, securing it with several wraps.
A. VINOGRADOV, Mogilev, Belarus
Recommend to read
CLAMP “THREE WOOD”
When gluing different items instead of the clamp you can use a clamp consisting of two strips, wire and click. The arrangement of such clamps can be seen from Fig. S. FEDORENKO, g....
MEET DISCS
In the old days, when required to perform switching in the electric circuits when the voltage rises to a certain threshold, resorted to the use of polarized electromagnetic relay....