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horizontal bar 
Men’s gymnastics apparatus composed of a horizontal bar attached to uprights, around which the gymnast maneuvers (rotations, flight elements).
guy cable 
Metal cable that is attached to the ground and stabilizes the tubes of an upright gymnastics apparatus.
upright 
Vertical post of adjustable height that supports the steel bar.
steel bar 
Bar around which the gymnast maneuvers; it is 2.55 m above the floor.