Please choose the correct solution to the question: How do I sand the wall when making a magnetic drywall?

Solution1: Use a random orbit electric sander for most of the wall and use a manual cat shape sander for the inside corners and hard to reach places

Solution2: Use a random orbit electric sander for most of the wall and use a manual mouse shape sander for the inside corners and hard to reach places

Answer format: solution1/solution2
Answer: solution2