- slewing bracket
- (mas) braţ articulat
English-Romanian technical dictionary. 2013.
English-Romanian technical dictionary. 2013.
Derrick — For other uses, see Derrick (disambiguation). Derrick of Ocean Star Offshore Oil Rig Museum, Galveston, Texas A derrick is a lifting device composed of one tower, or guyed mast such as a pole which is hinged freely at the bottom. It is controlled … Wikipedia
List of mathematics articles (S) — NOTOC S S duality S matrix S plane S transform S unit S.O.S. Mathematics SA subgroup Saccheri quadrilateral Sacks spiral Sacred geometry Saddle node bifurcation Saddle point Saddle surface Sadleirian Professor of Pure Mathematics Safe prime Safe… … Wikipedia