Final answer:
Option 4, which states that the market potential for metal detection systems for all industrial uses is $1.3 billion for the U.S. market during the upcoming twelve months, is the best example of market potential for a manufacturer of metal detection systems.
Step-by-step explanation:
The BEST example of market potential for a manufacturer of metal detection systems is option 4, which states that the market potential for metal detection systems for all industrial uses is $1.3 billion for the U.S. market during the upcoming twelve months.