to carry the peak load
51Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
52Personal rapid transit — ation concept that offers on demand, non stop transportation, using small, independent vehicles on a network of specially built guideways. Several different designs have been proposed, and as of 2008, at least one is under… …
53Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge …
54building 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… …
55Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… …
56Share taxi — State / Territory / Region Name used  Albania Furgon  Algeria Taxis collectifs …
57Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
58Air Europe — was a wholly privately owned, independent British airline, established in 1978 under the working title Inter European Airways.cite book| author=Simons, Graham M. | title=It was nice to fly with friends! The story of Air Europe | publisher=GMS… …
59education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …
60Smart grid — Public infrastructure …
