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..
Niumba is a rental apartment directory owned by the TripAdvisor Media Group. The website provides around 62,000 private holiday homes, 79% of which are located in Spain. Niumba's business model is based on putting those who wish to rent their homes in contact with travelers.
TripAdvisor, Inc. is an American travel website company providing reviews of travel-related content. It also includes interactive travel forums.TripAdvisor was an early adopter of user-generated content. The website services are free to users, who provide most of the content, and the website is supported by an advertising business model.
