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gasoline that has not been treated with a lead compound
Unleaded petrol is petrol that has not been treated with a lead compound.
It must be at least filtered and boiled
No well water is raw, tap water is filtered and treated by your city authority.
tap water is sediment filtered then treated with chlorine. then additives like fluorine and tryoline are added. bottled water is usually mechanically filtered then minerals are re-added for flavor.
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grazing incidence optics... x rays cannot be treated the same as visible light... it is not filtered but focused
MESSAGE BEGINNING . ENTRY: YELLOWCAKE . REQUESTED: REFINEMENT FROM ORE . Carnotite is mined and treated with hydrochloric acid. The acidic aqueous layer is treated with a 10.5% solution of sodium hypochlorite to generate chlorine gas, and is then brought back to a pH of 0 with hydrochloric acid. Ammonium hydroxide is added and the solution filtered. The insoluble precipitate is put in a sodium carbonate solution and heated and once again filtered. The filtrate is brought to a pH of 3 with hydrochloric acid and then treated with hydrogen peroxide. The solution is filtered and the precipitate dried. Obtained is uranyl peroxide, a form of yellowcake as the precipitate from the last filtration. . MESSAGE END
it's not processed, it is filtered and or treated. There are many different ways to filter water. And you can drink straight from spring water.
The majority of your drinking water is stored in dams in your local area. This is filtered and treated and delivered into the water mains. The majority of fresh water in the world is stored in the Antarctic ice.
desalination; the process is: They take the sea water, boil it and let the steam cool. The condensed water is then filtered and treated to make if fit for human consumption, washing and industrial use.
In wells ,and it is treated ,there is alot of naturaly fed springs .being that Florida is surrounded with water if you dig or drill down you get descently filtered water.It ethier A uses water from different states or from springs in the ground