Complex sentence: New terminal walls at Sylvan Beach, Cleveland, and Brewerton allowed barges to load and unload cargo and to stay overnight, and a new break wall was installed, preventing lake waves from entering the canal and protecting against shoaling.
Split into simpler sentences: New terminal walls at Sylvan Beach, Cleveland, and Brewerton allowed barges to load and unload cargo and to stay overnight. A new break wall was installed, preventing lake waves from entering the canal and protecting against shoaling.