 |
| |||
| water hardness The amount of calcium and magnesium salts dissolved in water | |||
| hardness of water; water hardness | |||
| tvrdost vody: 10 phrases in 1 subject |
| Construction | 10 |
|
| |||
| water hardness The amount of calcium and magnesium salts dissolved in water | |||
| hardness of water; water hardness | |||
| tvrdost vody: 10 phrases in 1 subject |
| Construction | 10 |