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.
global warming. noun global warmÂ·ing \-ËwoÌr-miÅ\. Tweet. : the recent increase in the world's temperature that is believed to be caused by the increase of certain gases (such as carbon dioxide) in the atmosphere.ull Definition of GLOBAL WARMING. : an increase in the earth's atmospheric and oceanic temperatures widely predicted to occur due to an increase in the greenhouse effect resulting especially from pollution.