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Questions & Comments
Assistant Referee

The assistant referees are placed on the sides of the pitch (one each) and their primary role is to help the main referee with some decisions.
Actually, the assistant referee has no decision power, he can only signal a game issue (an offside, a foul, handball and so forth) but it's up to the central ref if he's or she is going to take up the assistant's advice.
Assistant Referee Signals-
Actually, the assistant referee has no decision power, he can only signal a game issue (an offside, a foul, handball and so forth) but it's up to the central ref if he's or she is going to take up the assistant's advice.
Assistant Referee Signals-
Goal-line Technology

Goal-line Technology has been approved by FIFA and will be implemented at the 2013 African Cup of Nations and the 2014 Men's World Cup in Brazil.
The Goal-line Technology Debate: A Goalkeeper’s Perspective posted on the the soccerlens web site in 2007 discussed the pro and cons of goal-line technology.