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
UNUSUAL HAND DRILL
The originality of this tool is that you can work with him with one hand. Dignity, which is quite appreciated by homebrew: there are plenty of places where conventional two-handed drill...
VASE IN THREE FLOORS
In fact, the "floors" can be very different, as well as the selection of plates and saucers, depending on the purpose: fruit, berries, candies. It is important that all suitable options...