A method for categorizing network traffic content includes determining a first characterization of the network traffic content determining a first probability of accuracy associated with the first characterization, and categorizing the network traffic content based at least in part on the first characterization and the first probability of accuracy. Cabling is coupled to the LVDS drivers and carries the second signals to an inkjet printhead assembly. In an embodiment, the dispensing opening has an inner diameter that is at least 22 mm, and the vertical distance from the top of the dispensing opening to the lower surface of the support flange is 0. The second hole unit includes at least one additional hole for receiving the hydraulic pressure through the first passage and transmitting the hydraulic pressure to a second passage. The vehicle is configured to monitor the status of the measurable characteristics during operation.