Question:
Goal: To cut a metal rod into two, equally sized smaller pieces, you can

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Use a metal cutting bit on a rotary tool to cut the rod in half

Question:
Goal: To prevent any type of door from squeaking,

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
spray the door hinges with lubricant.

Question:
Goal: rock grinder

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
can chew rocks well