Question:
Goal: nail

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
can be attached to a wire to conduct eleticity

Question:
Goal: How to prevent goods being damaged when shipping them?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Place cotton balls, wood shavings and newspaper around the package and in the box

Question:
Goal: How do you replicate a fingerprint?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
First make a mold of your finger. Make sure that you don't move/shake your hand much while taking impression.