The electron beam device includes a source of electrons and an objective deflector. Nodes in a network game community are prompted to engage in interrogation and response to facilitate the identification of nodes operating with hacked, modified and non-typical game configurations. This increases a contact pressure between the neighboring metallic elements to attain a good tightness with a good circularity and diametrical uniformity secured therebetween, thus preventing the wire-stranded hollow tube from inadvertently collapsing. A support member, such as a spacer or pulley hub is coupled to the rotor hub using an axially projecting lug and notch construction. The comments are then used to derive audit information, which is correlated with other audit information in a different server, to produce a more complete audit record. The substantially pure pyrolytic carbon can be used in a variety of applications including filtration and battery electrode applications.