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: Radiology
Methods of heat dissipation from the target, include: 
Select and explain. 
A. Keeping target inclined at 20°, B. Rotating anode, C. Both 1 & 2, D. None of the above
C: Both 1 & 2
Answer: C: Both 1 & 2 
Explanation: Methods of heat dissipation from target:

Keeping target inclined at 20°
Rotating anode.