Canceled patent

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

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Subject: Foot-candles 10 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

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Subject: Insignificancy 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

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Private canoeing tours

Subject: Private canoeing tours 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

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