This allows the central control system to calculate a point on the track where every train can safely move without further instruction in a fixed block system this would be the next set of signals, but with SelTrac it is constantly being updated.
12.
"For that task, you'll need an investor's NET advisor _ a central control system, a package of high-tech tools an operating platform, something to pull together all the relevant information into a workable whole, so you can make intelligent investment decisions, " he writes.
13.
Since connective tissues are the fundamental tissues of all bodily organs, each organ plays a crucial role in collecting and transferring data to the central control system, i . e . the brain, and transferring commands from this sophisticated control system back to the organs.