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  2. Mortar and pestle - Wikipedia

    en.wikipedia.org/wiki/Mortar_and_pestle

    A mortar and pestle is a set of two simple tools used to prepare ingredients or substances by crushing and grinding them into a fine paste or powder in the kitchen, laboratory, and pharmacy. The mortar ( / ˈ m ɔːr t ər / ) is characteristically a bowl, typically made of hardwood, metal, ceramic , or hard stone such as granite .

  3. Pounded yam - Wikipedia

    en.wikipedia.org/wiki/Pounded_yam

    A plate of food; pounded yam and soup. Pounded yam (Yoruba: Iyán, Hausa: sakwara, Igbo: Utara-ji) is a Nigerian swallow or Okele food. [1] [2] It is commonly prepared by pounding boiled yam with mortar and pestle [3] [4] Pounded yam is similar to mashed potatoes but heavier in consistency.

  4. Homogenizer - Wikipedia

    en.wikipedia.org/wiki/Homogenizer

    The mortar and pestle, already used for thousands of years, is a standard tool even in modern laboratories. More modern solutions are based on blender type instruments, bead mills , ultrasonic treatment (also sonication ), rotor-stator mechanical, high pressure, and many other physical forces.

  5. Bowl of Hygieia - Wikipedia

    en.wikipedia.org/wiki/Bowl_of_Hygieia

    The bowl of Hygieia is a common symbol on signs outside of pharmacies in Europe. A mortar and pestle is a more common symbol in the United States. Typical pharmacy logos featuring the bowl of Hygieia from different countries

  6. Ground stone - Wikipedia

    en.wikipedia.org/wiki/Ground_stone

    This pair of tools is called a mortar and pestle. The material would be placed into the mortar and the pestle would be moved and pressed into the mortar to grind the material into a fine powder. This process could be used for medicine and cooking. The mortar and pestle are still used today for many cooking recipes.

  7. Water wheel - Wikipedia

    en.wikipedia.org/wiki/Water_wheel

    The Chinese inventor Zhang Heng (78–139) was the first in history to apply motive power in rotating the astronomical instrument of an armillary sphere, by use of a water wheel. [24] The mechanical engineer Ma Jun (c. 200–265) from Cao Wei once used a water wheel to power and operate a large mechanical puppet theater for the Emperor Ming of ...

  8. Cupstone - Wikipedia

    en.wikipedia.org/wiki/Cupstone

    As such, they could represent a primitive form of mortar and pestle. The age of these man-made structures is difficult to ascertain, but generally they are believed to have been produced in the Bronze Age and Upper Paleolithic although some, for example in North America and Europe, were generated at a later date.

  9. Jeolgu - Wikipedia

    en.wikipedia.org/wiki/Jeolgu

    Jeolgu (Korean: 절구) and gongi (공이) are a type of traditional Korean mortar and pestle set, used for pounding grains or tteok (rice cake). [1] [2] [3] They can be made with timber, stone, or iron. [2] Jeolgu is a bowl-shaped vessel in which grains or tteok can be pounded, and gongi refers to either a pestle for a mortar or a stamper for ...