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  2. Greywater - Wikipedia

    en.wikipedia.org/wiki/Greywater

    A clothes washer grey water system is sized to recycle the grey water of a one or two family home using the reclaimed water of a washing machine (produces 15 gallons per person per day). [20] It relies on either the pump from the washing machine or gravity to irrigate. This particular system is the most common and least restricted system.

  3. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    Water is an inorganic compound with the chemical formula H 2 O.It is a transparent, tasteless, odorless, [c] and nearly colorless chemical substance.It is the main constituent of Earth's hydrosphere and the fluids of all known living organisms (in which it acts as a solvent [20]).

  4. Color of chemicals - Wikipedia

    en.wikipedia.org/wiki/Color_of_chemicals

    If photons of a particular wavelength are absorbed by matter, then when we observe light reflected from or transmitted through that matter, what we see is the complementary color, made up of the other visible wavelengths remaining.

  5. What Is Gray Water — and How Can Using It Help Save ... - AOL

    www.aol.com/gray-water-using-help-save-174100610...

    You're using (and paying for) an average of 300 gallons of water every day. Save money and promote sustainability by putting gray water to use for you.

  6. Properties of water - Wikipedia

    en.wikipedia.org/wiki/Properties_of_water

    Water is the chemical substance with chemical formula H 2 O; one molecule of water has two hydrogen atoms covalently bonded to a single oxygen atom. [26] Water is a tasteless, odorless liquid at ambient temperature and pressure. Liquid water has weak absorption bands at wavelengths of around 750 nm which cause it to appear to have a blue color. [4]

  7. Fluid - Wikipedia

    en.wikipedia.org/wiki/Fluid

    In physics, a fluid is a liquid, gas, or other material that may continuously move and deform (flow) under an applied shear stress, or external force. [1] They have zero shear modulus, or, in simpler terms, are substances which cannot resist any shear force applied to them.

  8. Matter - Wikipedia

    en.wikipedia.org/wiki/Matter

    Hydrogen in its plasma state is the most abundant ordinary matter in the universe.. In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume. [1]

  9. Soft matter - Wikipedia

    en.wikipedia.org/wiki/Soft_matter

    Soft matter or soft condensed matter is a type of matter that can be deformed or structurally altered by thermal or mechanical stress which is of similar magnitude to thermal fluctuations.