Cogeneration or combined heat and power ( CHP) is the use of a heat engine Cogeneration and Cogeneration Schematic, www.clarke-energy.com, retrieved 26.11.11 or power station to simultaneously generate electricity and useful heat. Trigeneration or combined cooling, heat and power ( CCHP) refers to the simultaneous generation of electricity and useful heating and cooling from the combustion of a fuel or a solar heat collector. A plant producing electricity, heat and cold is called a trigeneration or poly..
Muhajir (also spelled "Mahajir" and "Mohajir") (, مهاجر) is an Arabic language-origin term used in Pakistan in some regions to describe Muslim immigrants and their descendants of multi-ethnic origin who migrated from regions of India and settled in the newly formed state of Pakistan after the Partition of India during the Independence of India and Pakistan from British Raj in 1947.
