Within the public administration organisation system. a special place is given to the autonomous specialised central authorities. regulated by the Constitution. Such a constitutional rank authority is the Economic and Social Council. https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC550-WUH721816ALE6L0-0F38460-16TB-7-2K-RPM-SATA-6Gb-s-512e-ISE-3-5in-Hard-Drive/