Text, images, andor graphics of electronic documents should be organized and laid out in a two-dimensional format for presentation to the viewer. A drilling apparatus is positioned at a desired location. Further, a method of recovering a catalyst and a method of recycling the catalyst are provided. When intending to collect the linkage lock whose second end is unlocked, the user winds the linkage chain around the surface of the shaft with the shaft being a central axis to fold the linkage lock. System firmware includes instructions to configure the controller to define a first command list and frame information structure associated with the first port and a second command list and FIS associated with the second port where the first and second command lists share a common block of system memory. The deep image may include a plurality of samples that correspond to the first object.