The authorities again closed the area to commercial shipping.

"The threat of them being there scares away commercial shipping."

Ship building and commercial shipping were the major river industries at the estuary.

The channel has not been in use for commercial shipping since 1971.

It was not seen as an important lighthouse for commercial shipping any more.

By then the personal rivalry between the two men had extended beyond the world of commercial shipping.

The port was closed to commercial shipping in the 1960s.

They can pass the word to commercial shipping to be on the lookout.

Even once the link from farm to port was completed, commercial shipping took many more years to pick up.

For the next 150 years or so, commercial shipping continued to be a main user of the area.