Transparency International (TI) has published the Corruption Perceptions Index (CPI) since 1995, annually ranking countries by their perceived levels of corruption, as determined by expert assessments and opinion surveys.. The CPI generally defines corruption as the misuse of public power for private benefit..
The Vehicle Born Improvised Explosive Device (VBIED) is but the latest such incarnation of a very old theme - but with a deadly, sometime mass destructive force. The DHS defines this as a potential weapon of mass destruction.
A variable-frequency drive is a device used in a drive system consisting of the following three main sub-systems: AC motor, main drive controller assembly, and drive/operator interface.he VFD controller is a solid-state power electronics conversion system consisting of three distinct sub-systems: a rectifier bridge converter, a direct current (DC) link, and an inverter. Voltage-source inverter (VSI) drives (see 'Generic topologies' sub-section below) are by far the most common type of drives.