Data elements, preferably representative of video data, are logically divided into blocks. The gear sector pivots about a fixed pivot during adjustment, and the mounting bracket upper arm includes an arcuate slot having a radius of curvature centered at the fixed pivot. The process tool includes a gas reaction chamber, and the process tool is connected with a first gas piping to exhaust a waste gas in the gas reaction chamber. The bottom side of the panel may be abutted against an upper side of a rose protective covering and the spikes driven into a ground surface such that the device secures the protective covering to the ground surface.