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  2. Aerobic treatment system - Wikipedia

    en.wikipedia.org/wiki/Aerobic_treatment_system

    Unlike the traditional septic system, the aerobic treatment system produces a high quality secondary effluent, which can be sterilized and used for surface irrigation. This allows much greater flexibility in the placement of the leach field, as well as cutting the required size of the leach field by as much as half. [1]

  3. Septic drain field - Wikipedia

    en.wikipedia.org/wiki/Septic_drain_field

    A septic drain field, a septic tank, and associated piping compose a septic system. The drain field typically consists of an arrangement of trenches containing perforated pipes and porous material (often gravel) covered by a layer of soil to prevent animals (and surface runoff) from reaching the wastewater distributed within those trenches. [1]

  4. Trickling filter - Wikipedia

    en.wikipedia.org/wiki/Trickling_filter

    A typical complete trickling filter system Image 1. A schematic cross-section of the contact face of the bed of media in a trickling filter Broken trickling filter unit at the sewage treatment plant in Norton, Zimbabwe, showing importance of maintenance to prevent structural failure

  5. Schematic - Wikipedia

    en.wikipedia.org/wiki/Schematic

    A schematic, or schematic diagram, is a designed representation of the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the key information the schematic is intended to convey, and may include oversimplified elements in order to make this essential meaning easier to grasp, as well as additional ...

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. 12 snacks children around the world leave for Santa Claus - AOL

    www.aol.com/12-snacks-children-around-world...

    In the US, it's common for children to leave Santa Claus milk and cookies. But this tradition looks different for children around the world. In Ireland, some families leave Santa a pint of Guinness.

  8. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Piping and instrumentation diagram of pump with storage tank. Symbols according to EN ISO 10628 and EN 62424. A more complex example of a P&ID. A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process.

  9. NFL playoff picture for Week 17: Chiefs, Lions can both ... - AOL

    www.aol.com/nfl-playoff-picture-clinching...

    All will be explained and analyzed up to the point when the postseason field is finalized on Sunday, Jan. 5. ... NFC playoff picture. x – 1. Detroit Lions (13-2), NFC North leaders: ...