A method of washing a debris carrying item on a wash pad that includes placing the item on the wash pad, using wash fluid to remove the debris from the item, and collecting at least one of the wash fluid and debris in a catch trough disposed in fluid communication with the wash floor. The process involves using a first forming machine to form a first peripheral bead in a first end portion of a tubular metallic body, having a substantially uniform diameter and wall thickness, reduce the outside diameter of a second end portion, and slope an intermediate surface portion. Enabling the USBDs and the USBHs to communicate over the network and to discover the presence and capabilities of one another. Once both connections are set up, the at least one network unit of the communication network forwards received data of an IP-based service from the network element to the terminal and from the terminal to the network element. The first hydraulic chamber includes an elastic device by which a forcetravel characteristic curve is determined in the actuating device when an actuating force is introduced. The improved sheet punch including two rotatable punches set at different angles such that when one intersects the sheet path, the other clears the sheet path.