6. (foll by: to) related (to) or dependent (on). 7. (when: postpositive, often foll by to) having a subsidiary or minor relationship (with). 8. (General Physics) (esp of a beam of light or particles) arriving at or striking a surface: incident electrons.
Answers (1) hill. Personally, if you use salt water properly, it won't cause any damages to your sunglasses. But if you rinse your sunglasses in salt water for a long time, it may cause some damages to the lens coating of your sunglasses. Anyway, you needn't rinse your sunglasses in salt water.
Effects of Hard Water. 1  As you read above, hard water is the raw water which contains all kinds of minerals and ions, mainly calcium and magnesium. 2  Hard water forms spot marks on your glassware after they are washed using dishwashers. 3  Using hard water has impact on quality of your skin and hair.