You are installing a new IO card in a PC to add FireWire con

You are installing a new I/O card in a PC to add FireWire connections to a customer’s computer. The I/O plate on the back of the PC is secured by small screws, and after removing them, you accidentally drop some of the screws into the PC case. What is the safest way to retrieve them?

A. Your fingers

B. Tweezers

C. Pliers

D. Extension magnet

Solution

Answer: D.Extension magnet

It is the safest way beacause its not easy if screws fell into a corner .the magnetic extension is better to use it can easily attract the screws .So A,B,C weren\'t safe to remove screws.and quite difficult method