An ink jet print head is provided which, during a suction-based recovery operation, can effectively remove air bubbles from the common ink path by producing an ink flow in the common ink path. The heat exchanger is associated with the electronics rack and disposed to cool air passing through the rack, includes a plurality of coolant-carrying tube sections, each tube section having a coolant inlet and outlet, one of which is coupled in fluid communication with a coolant loop to facilitate flow of coolant through the tube section. A unique identifier, which corresponds to configuration information, is inserted within code of one or more web pages that relate to the website. If said disconnection is not due to hanging up, the method parks a second party wherein said second party is either a calling party or a called party communicating with said first party prior to said disconnection. The remaining hydrolyzate particles are continuously discharged with the cooled heat-transfer medium and continuously removed by means of the heat-transfer medium and continuously separated from said heat-transfer medium. The bottom face is supported by the supporting surface of the supporting part.