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.
Variable frequency drive in HVAC systemsVariable frequency drives (VFD) have been used for HVAC systems in buildings for more than 40 years. But only in recent years, driven by their advanced energy savings features, variable frequency drives have been installed to an increasing number of HVAC systems inside a building.