Subject: Define the variables 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Personalized refinement 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Refined mat board 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Double-refined refrigerant 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Double-refined latex 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Double-refined foam 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Double-refined ceramics 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Refined flour 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Double-refined pasta 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Ultra-refined foods 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Ultra-refined coconut oil 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Double-refined motor oil 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: User-defined access control 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Product information refinement 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Brand slogan refinement 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Fine-tuned MLM Model 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.