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  2. Closure (container) - Wikipedia

    en.wikipedia.org/wiki/Closure_(container)

    Threads, lugs, hinges, locks, adhesives, etc. are used. Many plastic closures are made by injection molding. [6] Many closures need to have the ability to adjust to slight manufacturing variation in the container and the closure structure. Some closures are made of flexible material such as cork, rubber, or plastic foam.

  3. Cement-mortar lined ductile iron pipe - Wikipedia

    en.wikipedia.org/wiki/Cement-mortar_lined...

    Section of DICL pipe (ductile iron concrete lined), commonly used for utility water mains, showing iron casing, concrete lining, and textured polymer protective coatings on the inner and outer surfaces. Cement-mortar lined ductile iron pipe is a ductile iron pipe with cement lining on the inside surface, and is commonly used for water distribution.

  4. Aquarium filter - Wikipedia

    en.wikipedia.org/wiki/Aquarium_filter

    The waste laden water from the aquarium spreads over the drip plate, and rains down through a medium. This may be a filter wool/plastic grid rolled into a circular shape (DLS or "Double Layer Spiral") or any number of plastic media commonly known as Bio Balls.

  5. Manhole cover - Wikipedia

    en.wikipedia.org/wiki/Manhole_cover

    Manhole covers may also be made from glass-reinforced plastic or other composite material (especially in Europe, or where cover theft is of concern). Because of law restricting acceptable manual handling weights, Europe has seen a move towards lighter weight composite manhole cover materials, which also have the benefits of greater slip ...

  6. Lid - Wikipedia

    en.wikipedia.org/wiki/Lid

    A lid or cover is part of a container, and serves as the closure or seal, usually one that completely closes the object. Lids can be placed on small containers such as tubs as well as larger lids for open-head pails and drums. Some lids have a security strip or a tamper-evident band to hold the lid on securely until opening is desired or ...

  7. Vivarium - Wikipedia

    en.wikipedia.org/wiki/Vivarium

    Fish in an aquarium. An aquarium (aqua = water) is a water-filled enclosure housing aquatic plants and/or animals such as fish. A bioactive aquarium would additionally house micro-organisms such as beneficial bacteria, and janitor animal species such as caridean shrimp, boxer shrimp, algae-eating snails and burrowing snails. At least one side ...

  8. Marine aquarium - Wikipedia

    en.wikipedia.org/wiki/Marine_aquarium

    A marine aquarium Corals in a marine aquarium. A marine aquarium is an aquarium that keeps marine plants and animals in a contained environment. Marine aquaria are further subdivided by hobbyists into fish only (FO), fish only with live rock (FOWLR), and reef aquaria. Fish only tanks often showcase large or aggressive marine fish species and ...

  9. Reef aquarium - Wikipedia

    en.wikipedia.org/wiki/Reef_aquarium

    A reef aquarium or reef tank is a marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the tropical coral reef environment. A reef aquarium requires appropriately intense lighting, turbulent water movement, and more stable water chemistry than fish-only marine ...