| 1 | Here lie, he says, are the principle oil shipping lanes and "choke points of world commerce." | |
| 2 | He got clear of the other craft at the quayside and found the main channel out of the harbor, marked by buoys. | |
| 3 | This paper summarizes the hydrological conditions and sedimentation status of the main navigation channel of the Yangshan Deepwater Port. | |
| 4 | He could have swum to a working beacon and told them that several thousand sahuagin were headed up the main channel. | |
| 5 | A major lack of rain has led to severe drought which has reduced the important waterway to one-sixth of its normal size. |