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
MAGNETIC MOUSETRAP
According to this principle, before doing traps for birds: foldable cover charge was based on a vertical stick-backup, which in turn was mounted on "cautious" horizontal. Cost the bird...
THE PACK, NOT THE BASKET
Usually writing or computer table is a basket for unwanted papers and other debris. And how without it? In my opinion, much easier and more practical to have on hand for these purposes,...
