A method is disclosed for a method for measuring the availability of a network element or service. The pressing member presses an end portion of the shield member toward the cylindrical portion and fixes the shield member to the cylindrical portion in close contact with each other. An appropriate balance of lamps, lamp spacing, diffusers and light collimating optics are chosen to produce a high brightness back light module with very high intensity output over two very large surfaces. Both the 3D video and 2D video are stored in a database. Guides for plate benders, drills, andor K-wires can be pre-assembled to the threaded holes, and the locking fastener can lock into any of the threaded holes after the guides are removed.