Efficiency trial

Subject: Efficiency trial 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

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Tray table efficiency

Subject: Tray table efficiency 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

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Dispersing efficiency

Subject: Dispersing efficiency 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

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Wind power efficiency

Subject: Wind power efficiency 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

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Raised efficiency

Subject: Raised efficiency 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

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Optimal efficiency

Subject: Optimal efficiency 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

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