Emergency power system — Emergency power systems are a type of system, which may include lighting, generators and other apparatus, to provide backup resources in a crisis or when regular systems fail. They find uses in a wide variety of settings from residential homes to … Wikipedia
Emergency light — An emergency light is a battery backed lighting device that comes on automatically when a building experiences a power outage or in the event of fire. Emergency lights are standard in new commercial and high occupancy residential buildings, such… … Wikipedia
Uninterruptible power supply — A small free standing UPS … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
Mini-Con — This article is about the Transformer toys. For the science fiction convention, see Minicon. Mini Cons are a human sized race and faction of power enhancing transforming robots in the Transformers: Armada universe and its sequels, one of the… … Wikipedia
2010 Northern Hemisphere summer — The 2010 Northern Hemisphere summer included severe heat waves that impacted most of the United States, Kazakhstan, Mongolia, China, Hong Kong, North Africa and the European continent as a whole, along with parts of Canada, Russia … Wikipedia
Ferroresonance — The phenomenon of Ferroresonance is the occurrence of an unstable high voltage, typically on 3 phase electrical systems which only occurs under specific conditions. The nature of the overvoltage can cause the failure of equipment.Ferroresonance… … Wikipedia
2011 Christchurch earthquake — Christchurch earthquake redirects here. For other uses, see Christchurch earthquake (disambiguation). For the 13 June 2011 aftershock, see June 2011 Christchurch earthquake. February 2011 Christchurch earthquake ChristChurch Cathedral and the… … Wikipedia
Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria … Wikipedia
Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed … Universalium
Indian Point Energy Center — Infobox NPP caption = Entergy s Indian Point Energy Center (IPEC) seen from across the Hudson. Status = O Utility = Entergy Location = Buchanan,New York Supplier = Westinghouse Type = PWR Capacity = Unit 2: 1,020 MW Unit 3: 1,025 generation =… … Wikipedia
