| Where is the crystal clear, pure, unpolluted water that once characterized the river as well as most shallow wells in the area? |
| Suntan lotion and lip salve are essential in the remarkably clear, unpolluted air. |
| The atmosphere is so clear and unpolluted that the island's fishermen dry their cod catch on long poles in the open air. |
| Copper corrodes at negligible rates in unpolluted air, water, and deaerated nonoxidizing acids. |
| The clear, unpolluted waters of the west coast of Scotland were once renowned as one of the best sea trout fisheries in the world. |
| Take a look at those pristine, white, unpolluted sands with crystal clear water and waves gently rolling in. |
