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| Czech | English |
| obsah hliníku | aluminium content Amount of aluminium contained in a solution |
| obsah kyslíku | oxygen content Amount of oxygen contained in a solution |
| obsah soli | salt content Amount of salt contained in a solution |
| obsah vápníku | calcium content Amount of calcium contained in a solution |
| obsah živin | nutrient content The amount of proteins, carbohydrates, fats, inorganic salts (e.g. nitrates, phosphates), minerals (e.g. calcium, iron), and water |
| zákon o obsahu olova v benzínu | lead-in-petrol law A binding rule or body of rules prescribed by a government to reduce or eliminate the lead content in petroleum fuels used in vehicular and other engines that pollute the air with lead-carrying exhaust |