A predominantly solid, phallus-shaped, semi-rigid device with an internal mechanism that expands designated surface regions outwardly to change the shape of the device. An erase operation is effected on all memory cells. The processing aids provide various benefits including, for example, reduced density, improved process hygiene, improved foam stability, faster bonding times andor lower processing temperatures. The memory also stores nutritioncalorie data of a number of different categories of foods as a food list. It is provided with a supply and take-down equipment, which is disposed before the machine tool on a side of the working area that faces away from the work spindle. Also provided are vector and host cells capable of expressing the DNA of the present invention, as well as the uses of the DNA and protein of the present invention.