In the case where received e-mail data can not be printed, e-mail control section 33 transfers the received e-mail data to another information terminal device. The retriever is preferably a loop that closes around the suture advanced through it by the advancer. A video display screen displays video images derived, at least in part, from captured second image data. Each port is offered vacated space that is currently allocated to that port and a quantity of the currently unallocated space in the central queue to distribute to one or more virtual lanes of the port. The generation of a collision between the beam and the target includes the adjustment of the fuel flow, the flow of each gas and the adjustment of the distance between the burner and the target, so as to obtain at the impact point the desired values of the following parameters: the gas temperature or the temperature of the target, and the gas speed.