A suction nozzle of a reversing head device has a distal end surface with a suction hole opened therein, and a suction passage communicated with the suction hole at one end thereof. More specifically, the outer fuel nozzles are used for delivery of a portion of the premix gaseous fuel and all liquid fuel, but not diffusion gaseous fuel. The internal capillaries are in fluid communication with the external porous surface and thereby configured to absorb a fluid adjacent the implant. At least one node on the path is mapped to a respective one of the plurality of servers and data is requested from a server. The calculator performs graphical operations on the graphical objects when in one of the selected internal data formats.