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  2. Thin-film interference - Wikipedia

    en.wikipedia.org/wiki/Thin-film_interference

    Light incident on an oil film on water. In the case of a thin oil film, a layer of oil sits on top of a layer of water. The oil may have an index of refraction near 1.5 and the water has an index of 1.33. As in the case of the soap bubble, the materials on either side of the oil film (air and water) both have refractive indices that are less ...

  3. Tank leak detection - Wikipedia

    en.wikipedia.org/wiki/Tank_leak_detection

    Tank leak detection is implemented to alert the operator to a suspected release from any part of a storage tank system, what enables to prevent from soil contamination and loss of product. In many countries regulated UST are required to have an approved leak detection method so that leaks are discovered quickly and the release is stopped in time.

  4. What are leaking underground storage tanks and how are they ...

    www.aol.com/news/leaking-underground-storage...

    Modern tanks are fiberglass, which is more resistant to corrosion, but all tanks begin to leak sooner or later, said Dr. Kelly Pennell, a professor of environmental engineering and water resources ...

  5. Hydrostatic test - Wikipedia

    en.wikipedia.org/wiki/Hydrostatic_test

    A hydrostatic test is a way in which pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks. The test involves filling the vessel or pipe system with a liquid, usually water, which may be dyed to aid in visual leak detection , and pressurization of the vessel to the specified ...

  6. 10 Reasons Why Your Toilet Won’t Stop Clogging - AOL

    www.aol.com/10-reasons-why-toilet-won-172100092.html

    Plunging may seem like a quick fix for a blockage in a toilet, but repeated clogs can result in a bigger problem. Find out the possible reasons why your toilet keeps clogging and how to stop it.

  7. Leak detection - Wikipedia

    en.wikipedia.org/wiki/Leak_detection

    A leak appearing within an analytic region (a rule added to the camera) is immediately analyzed for its attributes, including thermal temperature, size, and behaviour (e.g. spraying, pooling, spilling). When a leak is determined to be valid based on set parameters, an alarm notification with leak video is generated and sent to a monitoring station.

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