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  2. Sanitary engineering - Wikipedia

    en.wikipedia.org/wiki/Sanitary_engineering

    An example of a wastewater treatment system. Sanitary engineering, also known as public health engineering or wastewater engineering, is the application of engineering methods to improve sanitation of human communities, primarily by providing the removal and disposal of human waste, and in addition to the supply of safe potable water.

  3. Philadelphia Water Department - Wikipedia

    en.wikipedia.org/wiki/Philadelphia_Water_Department

    Construction of the Mill Creek Sewer in West Philadelphia, ca. 1883. The Philadelphia Water Department has been providing water to citizens since 1801, when, in the aftermath of a series of devastating yellow fever epidemics that killed thousands of people, the City decided a source of water was needed to cleanse the streets, fight fires, and perform household chores.

  4. Cleanroom - Wikipedia

    en.wikipedia.org/wiki/Cleanroom

    The selection of material for the construction of a cleanroom should not generate any particulates; hence, monolithic epoxy or polyurethane floor coating is preferred. Buffed stainless steel or powder-coated mild steel sandwich partition panels and ceiling panel are used instead of iron alloys prone to rusting and then flaking .

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    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!

  6. List of United States water companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    This is a list of water companies in the United States. For more information see water supply and sanitation in the United States . This list is incomplete ; you can help by adding missing items .

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  8. List of companies based in the Philadelphia area - Wikipedia

    en.wikipedia.org/wiki/List_of_companies_based_in...

    This is a list of companies either based or with large operations in the Philadelphia and greater Delaware Valley region area of the United States. Active companies headquartered in the region [ edit ]

  9. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/dying-to-be-free...

    The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag.

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