Tecnologia

THE TENNIS
Tennis is a sport usually played between two players or between two teams of two players each. Each player uses a racquet that is strung tostrike a hollow rubber ball covered with felt over a net into the opponent's court. Players have unlimited opportunity to challenge, but once three incorrectchallenges are made in a set, they cannot challenge again until the next set.
A game of tennis begins with extract of o0ne of the players, who muststrike the ball in such a way that this one bounces in side the picture opposite to tan of the side of the one that it extracts; it is to soy if a player extractsfrom his right, the ball must bounce in the picture of the left side but always in the picture of plaster to the network, of the side of his opponent. Forevery point the player who extracts has two opportunities, if it trumps the first one, has one more, in clase in it extracts the ball stick in the network andpass to the track of the opponent and it anters the square of extract, it repeats it self.
HISTORY THE TENNIS
The tennis is a sport played withrackets that is disputed between two pairs. It originated in europe at the end of the 19th century and expanded in a beginning in the countries english-speakers,specially between his high classes. At present the tennis is universalizado, and is played in almost all the countries of the world. From 1926, with thecreation of the first tour, it is a profesional sport. It is in addition an olympian sport from seoul 1988, since it had lost this category in parís 1924.