Keywords:
Chemical composition, Chemical elements and inorganic compounds, Chemical properties, Chemicals, Delivery, Drinking water treatment, Impurities, Marking, Physical properties, Potable water, Preparation, Purification, Purity, Storage, Sulphur, Sulphur compounds, Sulphuric acid, Testing, Toxins, Transport, Use, Water, Water practice, Water purification, Water supply, Water treatment, Water treatment plants