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  2. Water supply - Wikipedia

    en.wikipedia.org/wiki/Water_supply

    Water supply. A girl collects clean water from a communal water supply in Kawempe, Uganda. Water supply is the provision of water by public utilities, commercial organisations, community endeavors or by individuals, usually via a system of pumps and pipes. Public water supply systems are crucial to properly functioning societies.

  3. Reducing PDF file size with a Quartz filter - Engadget

    www.engadget.com/2007-12-12-reducing-pdf-file...

    Apple has an interesting video tip up this week on reducing the file size of graphic intensive PDFs created from the Print dialog. In their example they make a PDF from a Keynote presentation ...

  4. Environmental impact of pharmaceuticals and personal care ...

    en.wikipedia.org/wiki/Environmental_impact_of...

    However, the absence of empirical data cannot rule out the possibility of adverse outcomes due to interactions or long-term exposures to these substances. Because the amounts of these chemicals in the water supply may be in the parts per trillion or parts per billion, it is difficult to chemically determine the exact amounts present.

  5. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    Most modern hot water boiler heating systems have a circulator, which is a pump, to move hot water through the distribution system (as opposed to older gravity-fed systems). The heat can be transferred to the surrounding air using radiators, hot water coils (hydro-air), or other heat exchangers. The radiators may be mounted on walls or ...

  6. YouTube will then use an algorithm to determine which notes are published based on the ratings they have received. The algorithm will identify notes that are helpful to a broad audience.

  7. This in-home water recycler is meant to help the planet, and ...

    www.engadget.com/2020-01-08-hydraloop-home-water...

    With concerns over water scarcity on the rise, companies are increasingly looking to give people ways to reduce their water consumption. For Hydraloop founder and CEO Arthur Valkieser, the answer ...

  8. File:Water supply (IA b2199593x).pdf - Wikipedia

    en.wikipedia.org/wiki/File:Water_supply_(IA_b...

    This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

  9. Water supply network - Wikipedia

    en.wikipedia.org/wiki/Water_supply_network

    e. A water supply network or water supply system is a system of engineered hydrologic and hydraulic components that provide water supply. A water supply system typically includes the following: A drainage basin (see water purification – sources of drinking water) A raw water collection point (above or below ground) where the water accumulates ...