Which of the following tools and test equipment is routinely magnetized and should be used with

caution around magnetic media?

A.
Screwdrivers

B.
Power supply testers

C.
Cable testers

D.
Pliers

Explanation:
http://www.chabotcollege.edu/faculty/netacad/prot/ITE/course/module2/2.2.4.3/2.2.4.3.
html