A two-stroke opposite radial rotary-piston engine is proposed, comprising a block including sleeves, pairs of pistons disposed within the sleeves and oppositely movable, a power takeoff shaft, two parallel positioned rotors mounted thereon having an inner surface formed by a closed curved line. The liquid is moved toward the liquid ejection head unit in the second supply passage by the liquid driving unit in a state in which the valve restricts the flow of the liquid such that the liquid is discharged from the nozzles. A tubular sleeve is disposed coaxially between the inner and outer tubular members. Rich-media applications are created, deleted, or modified in a user account via the established Internet connection. The present invention comprises a card information distribution system which receives information corresponding to a card and controls the received information to thereby transmit the information corresponding to the card to a destination corresponding to the card, and a card information presentation system for presenting the information transmitted from the card information distribution system.