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Curling print that page


Approximately late medieval Scotland Registered players 1,200,000 Characteristics Contact No Team members 4 per team (2 in Mixed Doubles ) Mixed gender See mixed curling Categorization Precision and accuracy Equipment Curling brooms, stones (rocks), curling shoes

Third rail print that page


insulated brackets, typically at intervals of 10 feet (3.0 metres) or so. The trains have metal contact blocks called "shoes" which make contact with the conductor rail. The traction current is returned to the generating station through the running rails. The conductor rail is usually made

Pinball print that page


electrification. A company called Pacific Amusements in Los Angeles, California , USA produced a game called Contact in 1933. Contact had an electrically powered solenoid to propel the ball out of a bonus hole in the middle of the playfield. Another solenoid rang a bell to reward the player

Photolithography print that page


A single iteration of photolithography combines several steps in sequence. Modern cleanrooms use automated, robotic wafer track systems to coordinate the process. The procedure described here omits some advanced treatments, such as thinning agents or edge-bead removal. [ 1 ] [ edit ] Cleaning

Torpedo print that page


below the water surface, propelled underwater towards a target, and designed to detonate either on contact with it or in proximity to it. The term torpedo was originally employed for a variety of devices, most of which would today be called mines . From about 1900, "torpedo" has been used

Phonograph print that page


The phonograph record player , or gramophone (letter + sound) is a device introduced in 1877 that continued common use until the 1980s for reproducing (playing) sound recordings , although when first developed, the phonograph was used to both record and reproduce sounds. The recordings played

Tackle (football move) print that page


ground towards goal or to stop them from carrying out what they intend. The word is used in some contact variations of football to describe the act of physically holding or wrestling a player to the ground. In others, it simply describes one or more methods of contesting for possession of

Vibraphone print that page


The vibraphone , sometimes called the vibraharp or simply the vibes , is a musical instrument in the struck idiophone subfamily of the percussion family. The vibraphone is similar in appearance to the xylophone , marimba and glockenspiel but uses aluminum bars; not wooden bars like

Nine-ball print that page


In recent decades, nine-ball has become the dominant tournament game in professional pool, in the World Pool-Billiard Association , Women's Professional Billiard Association and United States Professional Poolplayers Association . Matches proceed quickly, suitable for the time constraints

Basketball print that page


then resume dribbling). Various violations are generally called "fouls". Disruptive physical contact (a personal foul ) is penalized, and a free throw is usually awarded to an offensive player if he is fouled while shooting the ball. A technical foul may also be issued when certain infractions