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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

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

Tube socket print that page


Throughout the tube era, as technology developed, sometimes differently in different parts of the world, many tube bases and sockets came into use. [ 1 ] [ 2 ] Sockets are not universal; different tubes may fit mechanically into the same socket, though they may not work properly and possibly

2-meter band print that page


The 2-meter amateur radio band is a portion of the VHF radio spectrum, comprising frequencies stretching from 144.000  MHz to 148.000 MHz in International Telecommunication Union region (ITU) Regions 2 (North and South America plus Hawaii) and 3 (Asia and Oceania) [ 1 ] and from 144

Juggling print that page


The word juggling derives from the Middle English jogelen (to entertain by performing tricks), in turn from the Old French jangler . There is also the Late Latin form joculare of Latin joculari , meaning to jest. [ 1 ] "Juggling" may be used metaphorically, like "multi-tasking," to

Walking print that page


bipeds , walking is generally distinguished from running in that only one foot at a time leaves contact with the ground and there is a period of double-support. In contrast, running begins when both feet are off the ground with each step. This distinction has the status of a formal requirement

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

Basketball moves print that page


Dribbling is bouncing the ball continuously with one hand without ever holding the ball. Dribbling is required in order for a player to take steps while possessing the ball. Crossover dribble In a crossover dribble, the ballhandler changes the ball from one hand to the other via a dribble

Electrosurgery print that page


In electrosurgical procedures, the tissue is heated by an electric current . Although electrical devices may be used for the cauterization of tissue in some applications, electrosurgery is usually used to refer to a quite different method than electrocautery . The latter uses heat conduction

Railway electrification system print that page


Disadvantages 5.1.3 Trade-offs 5.1.4 Summary 5.2 Energy efficiency 5.3 External cost 6 Non contact systems 7 Research and development 8 See also 9 References 10 Sources 11 External links [ edit ] Characteristics of electric traction The main advantage of electric