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  2. Shipping tube - Wikipedia

    en.wikipedia.org/wiki/Shipping_tube

    A heavy duty composite paper tube. The layers of spiral-wound paper used in its construction are visible. This type of heavy tube is also used as a core for wrapping roll goods. Long corrugated box, square cross section Paperboard tubes. A shipping tube, mailing tube, or cardboard tube is a shipping container used to ship long items. It is ...

  3. Centrifugal casting (industrial) - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_casting...

    Concrete pipe and form. Typical parts made by this process are pipes, flywheels, cylinder liners, and other parts that are axi-symmetric. It is notably used to cast cylinder liners and sleeve valves for piston engines, parts which could not be reliably manufactured otherwise. UFIP is notable for applying this process to the manufacture of Cymbals.

  4. Pipe (fluid conveyance) - Wikipedia

    en.wikipedia.org/wiki/Pipe_(fluid_conveyance)

    Pipe may be made from concrete or ceramic, usually for low-pressure applications such as gravity flow or drainage. Pipes for sewage are still predominantly made from concrete or vitrified clay. Reinforced concrete can be used for large-diameter concrete pipes. This pipe material can be used in many types of construction, and is often used in ...

  5. Prestressed concrete cylinder pipe - Wikipedia

    en.wikipedia.org/wiki/Prestressed_concrete...

    PCCP is typical manufactured according to the American Water Works Association (AWWA) standard C304. [1] PCCP is a composite structure that is composed of a concrete core, high-tensile prestressed steel wires, a thin steel cylinder, and mortar coating. [2] It is widely used globally in water systems infrastructure. [3]

  6. Cardboard - Wikipedia

    en.wikipedia.org/wiki/Cardboard

    Example of cardboard. Cardboard is a generic term for heavy paper-based products. The construction can range from a thick paper known as paperboard to corrugated fiberboard which is made of multiple plies of material. Natural cardboards can range from grey to light brown in color, depending on the specific product; dyes, pigments, printing, and ...

  7. 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!

  8. Tremie - Wikipedia

    en.wikipedia.org/wiki/Tremie

    The tremie concrete placement method uses a vertical or nearly vertical pipe, through which concrete is placed by gravity feed below water level. [4]The lower end of the pipe is kept immersed in fresh concrete so that concrete rising from the bottom displaces the water above it, thus limiting washing out of the cement content of the fresh concrete at the exposed upper surface.

  9. Pneumatic tube - Wikipedia

    en.wikipedia.org/wiki/Pneumatic_tube

    Pneumatic tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks of tubes by compressed air or by partial vacuum. They are used for transporting solid objects, as opposed to conventional pipelines which transport fluids.

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