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Vibratory finishing systems tend to produce a smooth finish because the media essentially laps the parts. Since the load is moving as a unit, fragile parts are safe in the vibrator. There is no tearing action or unequal forces that tend to bend and distort parts. The larger the parts or media are, the faster the cutting action. [2]
Tumble finishing, also known as tumbling or rumbling, [1] is a technique for smoothing and polishing a rough surface on relatively small parts. In the field of metalworking , a similar process called barreling , or barrel finishing , [ 2 ] works upon the same principles.
Tumbling, sometimes referred to as power tumbling, is a gymnastics discipline in which participants perform a series of acrobatic skills down a 25 metres (82 ft) long sprung track. Each series, known as a pass, comprises eight elements in which the athlete jumps, twists and flips placing only their hands and feet on the track.
Toe-touch jumps (or any jump) can be immediately followed by a back handspring (Level 3), back tuck (Level 4+), standing full (Level 5+). Or front tumbling can be performed out of a jump, for example to front walkover, front handspring, aerial, etc. however this is less common. There are multiple elements to be chosen out of a jump.
Though the term initially applied to tightrope walking, [citation needed] in the 19th century, a form of performance art including circus acts began to use the term as well. In the late 19th century, tumbling and other acrobatic and gymnastic activities became competitive sport in Europe. Acrobatics has often served as a subject for fine art.
Cassina Kovacs straight with 1/1 turn; named after Igor Cassina. Chestroll This skill to bend the back. It is also called a chin stand. Cartwheel The maneuver where one moves sideways, from hands to feet, in a straight line (in the motion that the wheel of a cart would follow), while keeping the back, arms, and legs straight, and the feet pointed.