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
GG drill and Peaso reamers are 
Select and explain. 
A. Low speed engine driven instruments, B. Classified in ISO Group 1, C. Hand instruments, D. Cleaning and shaping instruments
A: Low speed engine driven instruments
Answer: A: Low speed engine driven instruments 
Explanation: None