Yes, they have several. Such as, Chair Umpires and Line Umpires.
None
The French word for Tennis is the same as in English: (le) tennis.
there is only 1 referee in tennis
In competition table tennis, there is no such thing as "rules of tournament referee". However, you can go to the usatt.org website and research official rules of table tennis.
A challenge in tennis is when one of the players disagrees with the call one of the referees has made. They get a certain number of challenges and if they use one, a replay is shown to tell if the call was right or not. If it was then the game continues, but if it is wrong the challenging player gets the point.
i think there are four referees.
normal basement table tennis : table tennis ball, rackets, table, shoes (maybe) (all from walmart or such) professional level: 3 star table tennis balls, specific rackets chosen to fit ones style, table tennis shoes with rubber non-marking soles, scoreboards, professional tables, and much more equipment used by referees i.e. yellow/red cards
NHL Referees make $127,000 a season
There are four referees in a baseball game.
They are technically called assistant referees.
There are no referees in ballet. There are instructors. At competitions there are judges.
3 referees are in soccer and football