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2. Purified water - Wikipedia

   en.wikipedia.org/wiki/Purified_water

   Distilled or purified water is used in humidors to prevent cigars from collecting bacteria, mold, and contaminants, as well as to prevent residue from forming on the humidifier material. Window cleaners using water-fed pole systems also use purified water because it enables the windows to dry by themselves leaving no stains or smears.

3. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water ...

4. Ultrapure water - Wikipedia

   en.wikipedia.org/wiki/Ultrapure_water

   Ultrapure water (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. Ultrapure water is a term commonly used in manufacturing to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including organic and inorganic compounds, dissolved and particulate matter, and ...

5. Reverse osmosis - Wikipedia

   en.wikipedia.org/wiki/Reverse_osmosis

   An increasingly popular method of cleaning windows is the "water-fed pole" system. Instead of washing windows with conventional detergent, they are scrubbed with purified water, typically containing less than 10 ppm dissolved solids, using a brush on the end of a pole wielded from ground level. RO is commonly used to purify the water.

6. List of countries by access to clean water - Wikipedia

   en.wikipedia.org/wiki/List_of_countries_by...

   Share of the population without access to an improved water source, 2020. Global access to clean water is a significant global challenge that affects the health, well-being, and development of people worldwide. While progress has been made in recent years, millions of people still lack access to safe and clean drinking water sources.

7. List of bottled water brands - Wikipedia

   en.wikipedia.org/wiki/List_of_bottled_water_brands

   This is a list of bottled water brands. Bottled water is drinking water (e.g., well water, distilled water, mineral water, or spring water) packaged in plastic, cartons, aluminum, or glass water bottles. Bottled water may be carbonated or not. Sizes range from small single serving bottles to large carboys for water coolers. The environmental ...