Hassan Dahir Aweys (Unknown to Unknown): Aweys is sometimes referred to as the spiritual leader of Al Shabaab, but his exact relationship with Al Shabaab is unclear. Aweys led the militant wing of an Islamist movement called Al Ittihad Al Islamiya (AIAI), which disbanded in 1997.
The generic term cooling tower is used to describe both direct (open circuit) and indirect (closed circuit) heat rejection equipment. While most think of a cooling tower as an open direct contact heat rejection device, the indirect cooling tower, sometimes referred to as a closed circuit cooling tower is nonetheless also a cooling tower.
Definition of Global Warming: A gradual increase in the earthâs average surface temperature. Technical term for this: Anthropogenic global warming. Definition of Greenhouse Gas: A gas, like CO2, which traps the sunâs heat.