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  2. Laminar flow cabinet - Wikipedia

    en.wikipedia.org/wiki/Laminar_flow_cabinet

    Despite their similar appearance, a laminar flow cabinet should not to be confused with a fume hood. A laminar flow cabinet blows unfiltered exhaust air towards the worker and is not safe for work with pathogenic agents, [ 2 ] : 13 [ 3 ] while a fume hood maintains negative pressure with constant exhaust to protect the user, but does not ...

  3. Toilet roll holder - Wikipedia

    en.wikipedia.org/wiki/Toilet_roll_holder

    A classic horizontal-axle, wall-mounted toilet roll holder. A toilet-roll holder, also known as a toilet paper dispenser, is an item that holds a roll of toilet paper. Common models include a hinged length of wire mounted horizontally on a wall, a thicker axle either recessed into a wall or mounted on a frame, or a freestanding vertical pole on ...

  4. Petri dish - Wikipedia

    en.wikipedia.org/wiki/Petri_dish

    The Petri dish was developed by German physician Julius Richard Petri (after whom the name is given) while working as an assistant to Robert Koch at Berlin University.Petri did not invent the culture dish himself; rather, it was a modified version of Koch's invention [9] which used an agar medium that was developed by Walther Hesse. [10]

  5. Mary Kenner - Wikipedia

    en.wikipedia.org/wiki/Mary_Kenner

    Mary Beatrice Davidson Kenner (May 17, 1912 – January 13, 2006) was an American inventor most noted for her development of the adjustable sanitary belt. [1] Kenner received five patents, which includes a carrier attachment for invalid walker and bathroom tissue dispenser.

  6. Microplate - Wikipedia

    en.wikipedia.org/wiki/Microplate

    Therefore, scientific instruments which use microplates, can accept the plate in one of two rotated orientations - either "correct" or 180˚ rotated. Other variants like 24-well plates, are not considered in the standard, but there is a de facto standard to implement to 24-wells by apply the same scaling factor as the 384- to 96-well transition ...

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  8. Polypore - Wikipedia

    en.wikipedia.org/wiki/Polypore

    Polypores are also called bracket fungi or shelf fungi, and they characteristically produce woody, shelf- or bracket-shaped or occasionally circular fruiting bodies that are called conks. [1] Over one thousand polypore species have been described to science, [ 2 ] but a large part of the diversity is still unknown even in relatively well ...

  9. Wikipedia:Language learning centre/Word list - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Language...

    Drawing up a comprehensive list of words in English is important as a reference when learning a language as it will show the equivalent words you need to learn in the other language to achieve fluency.

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