1) Christmas decoration 2) Holiday gift site 3) It has lights 4) Petroleum production 5) Present place
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https://www.crosswordclues.com/clue/christmas-tree
A Christmas tree is a decorated tree, usually an evergreen conifer such as spruce, pine, or fir associated with the celebration of Christmas. An artificial Christmas tree, usually made from polyvinyl chloride (PVC), is a man-made replication of such a tree and is often used instead of a live tree in order to retain the Christmas spirit and decorat...
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http://en.wikipedia.org/wiki/Christmas_tree
[aviation] A Christmas tree was a type of alert area constructed by the Strategic Air Command of the United States Air Force during the Cold War. Oftentimes, bombers or tanker aircraft were stationed next to mole hole facilities. It received this name because it basically resembled a tree of the same name. ==History== Before the development...
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http://en.wikipedia.org/wiki/Christmas_tree_(aviation)
[drag racing] Modern drag races are started electronically by a system known as a Christmas tree. A common Christmas tree consists of a column of seven lights for each driver or lane, as well as a set of light beams across the track itself. Each side of the column of lights is the same; from the top down, there are two small amber bulbs, th...
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http://en.wikipedia.org/wiki/Christmas_tree_(drag_racing)
[oil well] In petroleum and natural gas extraction, a Christmas tree, or `tree` (not `wellhead` as sometimes incorrectly referred to), is an assembly of valves, spools, and fittings used for an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well and other types of wells. It was named for its cr...
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http://en.wikipedia.org/wiki/Christmas_tree_(oil_well)
The 3-7-10 or 2-7-10.
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http://www.bowlersparadise.com/help/glossary.shtml
(from the article `drag racing`) Contestants line up in parallel lanes with an electronic starting device known as a Christmas Tree between the lanes. Each driver interrupts a pair ...
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http://www.britannica.com/eb/a-z/c/80
(from the article `petroleum production`) When the subsurface equipment is in place, a network of valves, referred to as a Christmas tree, is installed at the top of the well. The valves ...
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http://www.britannica.com/eb/a-z/c/80
an evergreen tree, often a pine, balsam, or fir, decorated with lights and ornaments as a part of Christmas festivities. The use of evergreen trees, ... [2 related articles]
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http://www.britannica.com/eb/a-z/c/80
The valves, pipes and fittings installed above ground surface at an oil or gas well site. These cont
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http://www.encyclo.co.uk/local/22392
An evergreen tree (often a spruce) that people decorate with lights and ornaments at Christmas. Pres
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http://www.encyclo.co.uk/local/22423
The manifold, or arrangement of pipework connections and valves which are installed on the wellhead prior to production. Along with outlets for production, the tree will provide for the injection of mud to 'kill' the well, and for the insertion of downhole maintenance tools and wirelines. Typically a Christmas tree will be assembled from gate valves and connecting fittings.
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http://www.encyclo.co.uk/visitor-contributions.php
the control valves, pressure gauges, and chokes assembled at the top of a well to control the flow of oil and gas after the well has been drilled and completed.
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http://www.encyclo.co.uk/visitor-contributions.php
Directive to briefly turn on exterior lights to enable visual acquisition.
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http://www.f-16.net/glossary-C.html
Also called the Tree, it is the noticeable electronic starting device between the lanes on the starting line. It displays a calibrated-light countdown for each driver.
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http://www.nhra.net/basics/glossary.html
The assembly of fittings and valves on the top of the casing which control the production rate of oil.
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http://www.oilandgasuk.co.uk/glossary.cfm
Christmas tree is old Oxfordshire slang for holly.
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http://www.probertencyclopaedia.com/browse/ZC.HTM
[
n] - an ornamented evergreen used as a Christmas decoration
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http://www.webdictionary.co.uk/definition.php?query=Christmas%20tree
For a right handed player, its a 3-7-10 split or a 2-7-10 split for a left handed player.
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https://www.bowling.com/article_bowling_term_glossary.aspx
the assembly of valves, pipes, and fittings used to control the flow of oil and gas from a well.
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https://www.encyclo.co.uk/local/20857
noun an ornamented evergreen used as a Christmas decoration
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https://www.encyclo.co.uk/local/20974
The pole of lights that starts a drag race, named for its red and green lights. Most drag races use the pro or heads up start which has three lights in between the first (red) and last (green) stage.
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https://www.encyclo.co.uk/local/22335
an evergreen tree decorated at Christmas with ornaments and lights. · a control board or panel containing a variety of colored lights for indicating the status of various functions, elements, components, etc. · an elaborate arrangement of pipes, valves, etc., as for controlling the flow of oil or gas.
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https://www.infoplease.com/dictionary/christmas-tree
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