CLEAN : Pakistan workers fire Brazuca ball to Brazil World Cup

The video begins with greetings and introductions. It then discusses a ball as a symbol of power due to its ability to unite the world, highlighting the pride associated with it. The video concludes by describing how the ball is tested under extreme conditions, such as high humidity and temperature, to demonstrate its resilience.

Who are the speakers introduced at the beginning of the video?

• Alice and John

• Sarah and Mike

• Molly and Bob

• Emma and David

What is the ball described as a symbol of?

• Power

• Wisdom

• Freedom

• Wealth

Why is the ball considered a symbol of power?

• It is rare

• It is made of gold

• It can unite the world

• It is very expensive

What extreme conditions is the ball tested under?

• Low humidity and high temperature

• High humidity and high temperature

• High humidity and low temperature

• Low pressure and high altitude

What percentage of humidity is mentioned during the testing of the ball?

• 80%

• 100%

• 90%

• 95%