He was walking along the coastline.

Please follow this line.

The erosion of the coastline is progressing.

We should go forward.

He voluntarily took on the job.

We will contact you as soon as we confirm the progress of the construction.

We went to the coast with our family on the weekend.

The coastline has changed shape due to years of erosion.

The coastline is gradually changing its shape due to the erosion by waves.

This metal is undergoing corrosion.