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
The builder’s “barrel factory”
Owners of private houses or dachas often face the need to prepare concrete solutions. Mixing water, gravel, and cement in a certain proportion is not difficult, but very labor-intensive,...
ON A LEASH… STAIRS
Not to "ring out" with the aid of a ladder leading to the attic of the garden house, make a special bracket with eyelet and install it or on the wall of the house, or in the concrete...
