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swimming pool 
Pool in which a water polo game takes place; a game has four periods of seven minutes each divided by breaks of two minutes each.
excluded players re-entry area
Space where players who commit an exclusion foul serve a 20-second penalty.
7 m line
coach
The team’s leader; the coach plots strategy and decides who plays in different situations.
secretaries
Officials who write up the game’s report (such as goals scored, fouls and exclusions) and signal the return of temporarily excluded players.
timekeepers
Officials in charge of the game’s time, exclusions, continuous possession of the ball (maximum 35 seconds before taking a shot) and so on.
goal judge
Official whose main function is to decide on the validity of goals and to report balls gone behind the goal line (corners).
goal line
Line that the ball must pass to score a goal; the players line up along it before a period begins.
2 m line
4 m line
half-distance line
Mark dividing the pool into two zones, one per team; the teams change zones after two periods of play.
referee
Official who is in charge of enforcing the rules; this individual supervises the game and signals violations by blowing a whistle.
team bench
Space where substitute players and team officials sit; a team has 13 players but only seven are in the water at the same time.
goalkeeper
Player whose role is to prevent the ball from entering the goal; the goalkeeper wears a red cap.
