- Natural Draft
- Draft that is caused by temperature differences in the air.
Energy terms . 2014.
Natural Draft
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Draft (boiler) — Draft (as related to a fire tube boiler) is the flow of combustion products going from the firebox, through the boiler and up the stack. Draft may be natural, produced by the rising of the combustion gases in the stack, or by mechanical means,… … Wikipedia
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Natural Tunnel State Park — Natural Tunnel The Natural Tunnel is still used as a railroad. Overview Location Natural Tunnel State Park, Scott County, Virginia, United States Coordinates … Wikipedia
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Natural proof — In computational complexity theory, a natural proof is a certain kind of proof establishing that one complexity class differs from another one. While these proofs are in some sense natural , it can be shown (assuming a widely believed conjecture… … Wikipedia
Natural draught — Draught Draught, n. [The same as draft, the spelling with gh indicating an older pronunciation. See {Draft}, n., {Draw}.] 1. The act of drawing or pulling; as: (a) The act of moving loads by drawing, as by beasts of burden, and the like. [1913… … The Collaborative International Dictionary of English
Draft de la NBA — El Draft de la NBA corresponde al procedimiento por el cual, a finales del mes de junio de cada año, las franquicias que forman parte de esta liga de baloncesto estadounidense incorporan a sus equipos jugadores menores de 23 años, procedentes de… … Wikipedia Español
Natural and legal rights — Inalienable redirects here. For the 2008 film, see InAlienable. For the concept of alienation in property law, see Alienation (property law). Rights Theoretical distinctions … Wikipedia
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Natural kind — Chemical elements like gold are good candidates for natural kinds. In philosophy, a natural kind is a natural grouping, not an artificial one. Or, it is something that a set of things (objects, events, beings) has in common which distinguishes it … Wikipedia
