Which one of the following is NOT correctly-matched?

Detailed Solution:

The correct answer is “Birmingham–Ship building”.

1) Detroit is famously known as the center of the American automobile industry, home to major car manufacturers like General Motors, Ford, and Chrysler.

2) Magnitogorsk is a major city in Russia known for its large steel production industry.

3) Johannesburg, South Africa, is well-known for its significant gold mining industry, particularly in the Witwatersrand Basin, which has been a major gold-producing region.

4) Birmingham is not primarily known for shipbuilding. It is more famous for its industrial heritage related to manufacturing and engineering, particularly in metalwork and machinery.