An ink composition is provided which has excellent storage stability, good defoaming properties, and improved resistance to bleeding on the print paper during image forming, while preventing nozzle clogging when used in a wet-type image forming apparatus. The present invention further relates to a device for preparing a frozen confection from a container inserted into the device. A method is also provided to produce a pasteurized top soil suitable for planting a crop. Through each of the two signal paths, for lower and higher speed of rotation, the processed signal is forwarded to a logic device. In some implementations, the mobile device can transmit the beacon information to a server and the server can determine the location of the mobile device and send location andor content information back to the mobile device.