Final answer:
The deconstruction of the Channel Tunnel under the English Channel is an example of Infrastructure maintenance and repair.
Step-by-step explanation:
The deconstruction of the Channel Tunnel under the English Channel is an example of Infrastructure maintenance and repair. The Channel Tunnel, also known as the Chunnel, is a vital transportation link between England and France. Regular maintenance and repair work is necessary to ensure the tunnel's safety, functionality, and efficiency for the millions of people who use it every year.