“COAT” FOR BATTERIES

AA cells can be installed in a socket of larger diameter than itself, if you wrap it in several layers of paper, foam or any other available material suitable for this purpose. For example, a galvanic cell AAA can be installed in a standard socket AA.
If the length of the socket is greater than the length of a galvanic cell between their respective contacts should be inserted in a folded several times a piece of aluminum foil.

Recommend to read

  • WORKING WITH FOAMWORKING WITH FOAM
    Offer two method of cutting large sheets of foam. Nichrome filament is suspended vertically (Fig. 1) or stretched horizontally to the table surface (Fig. 2). Adjusting in the first case,...
  • “OPENER”“OPENER”
    Among the usual glass jars with canned products now on the beds shops in abundance are the so-called "eurobank", characterized not so much by its form, as the fact that they cover not...