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  2. Oakum - Wikipedia

    en.wikipedia.org/wiki/Oakum

    Oakum can be used to seal cast iron pipe drains. After setting the pipes together, workers pack oakum into the joints, then pour molten lead into the joint to create a permanent "lead and oakum" seal. The oakum swells and seals the joint, the tar in the oakum prevents rot, and the lead keeps the joint physically tight.

  3. Tar (tobacco residue) - Wikipedia

    en.wikipedia.org/wiki/Tar_(tobacco_residue)

    Tar is occasionally referred to as an acronym for total aerosol residue, [3] a backronym coined in the mid-1960s. [4] Tar, when in the lungs, coats the cilia causing them to stop working and eventually die, causing conditions such as lung cancer as the toxic particles in tobacco smoke are no longer trapped by the cilia but enter the alveoli ...

  4. Tobacco pipe - Wikipedia

    en.wikipedia.org/wiki/Tobacco_pipe

    The cake can be controlled by gentle reaming, but a buildup of tars in the shank and airway of a pipe is more difficult to deal with. This may require the services of a professional pipe restorer to properly clean and sanitize the pipe. [25]

  5. Black powder in gas pipelines - Wikipedia

    en.wikipedia.org/wiki/Black_powder_in_gas_pipelines

    The flow of a gas or hydrocarbon liquid down a pipe line causes erosion as a result of the contact between the pipe wall and the medium being transported. The main factors that increase erosion are the flow rate and the contamination levels present in the gas or hydrocarbon fluid.

  6. Tube cleaning - Wikipedia

    en.wikipedia.org/wiki/Tube_cleaning

    Tube cleaning describes the activity of, or device for, the cleaning and maintenance of fouled tubes. [1] The need for cleaning arises because the medium that is transported through the tubes may cause deposits and finally even obstructions. In system engineering and in industry, particular demands are placed upon surface roughness or heat ...

  7. Pipe cleaner - Wikipedia

    en.wikipedia.org/wiki/Pipe_cleaner

    A plain white pipe cleaner A model of a cat made from pipe cleaners A sculpture of a bird made from pipe cleaners. A pipe cleaner or chenille stem or furry wire is a type of brush originally intended for removing moisture and residue from smoking pipes [citation needed]. They can also be used for any application that calls for cleaning out ...

  8. Meerschaum pipe - Wikipedia

    en.wikipedia.org/wiki/Meerschaum_pipe

    However, meerschaum must be cool before a pipe can be cleaned, and briar must be rested after a few days of smoking, so the combination comes with some of the drawbacks of both materials. The thinness of the lining can affect how long a pipe lasts and some smokers do not clean out their pipes, causing the meerschaum to crack.

  9. History of manufactured fuel gases - Wikipedia

    en.wikipedia.org/wiki/History_of_manufactured...

    The gas in the tall vertical cylinders was annular in form and allowed an inside and outside surface to be exposed to cooling air. The diagonal side pipes conveyed the warm gas to the upper ends of each annular cylinder. Butterfly valves or dampers were fitted to the top of each vertical air pipe, so that the amount of cooling could be regulated.