pine tree that is decorated in homes in honor of Christmas

An assembly of valves mounted on the casinghead through which a well is produced. The Christmas tree also contains valves for testing the well and for shutting it In if necessary. Christmas tree -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.

arbre de Noël, le sapin de Noël, arbre que l"on décore en l"honneur de la Noël

albero di Natale

árbol de Navidad

Weihnachtsbaum

'Christmas tree
n [C]
Christmas tree, present, star
a fir tree that people put in their houses and decorate for Christmas

علوم نظامى : جعبه کنترل حاوى چراغهاى رنگى

شجرة الميلاد

(n) елка

jelka

kerstboom