1. Always wash your eyes with clean water to clear out the dust and avoid rubbing them.
2. I am impressed at how clear the air has become in many cities and how clean the water has become in many regions in China.
3. The cool mountain air was clear, clean and the sky a deep clear blue.
4. The river still runs clear and clean and the locals draw cool refreshing drinking water directly from it.
5. The blonde star says she is now " 100 per cent clear and clean " of the disease following a successful course of treatment.