This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Clogging of an abrasive wheel with debris causing reduction of abrasive action is called 
Select and explain. 
A. Blinding, B. Buffing, C. dressing, D. truing
A: Blinding
Answer: A: Blinding 
Explanation: None