A land grid array connector for electrically connecting a CPU package to a printed circuit board includes a housing received a number of contacts therein, a stiffener enclosingly attached to the housing, a load plate and a lever pivotally mounted to opposite sides of the housing respectively. A common transport agent comprises a common communication interface with each of the storage nodes. The power circuit outputs a programming voltage according to a voltage control signal. The load sharing mechanism is positioned in between the screw head and the bone fixator component. Further, a neck and spinal apparatus is provided having an upper torso cover operable to fit about a chest and an upper back of a user. By engaging the catching surface with the catching surface, the camera is set in the horizontal position in such a state as to be capable of rotating vertically so that its vertical angle can be adjusted.