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Grinding Stone Indicative

Gastrolith Wikipedia

A gastrolith, also called a stomach stone or gizzard stones, is a rock held inside a gastrointestinal tract. Gastroliths in some species are retained in the muscular ...

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UNIT 2 GRINDING Grinding IGNOU

UNIT 2 GRINDING Grinding ... Grade of a grinding wheel is the indicative of hardness and tenacity of ... Sand stone is one of the natural abrasive used to make ...

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HHGS Hertfordshire Puddingstone

Hertfordshire Puddingstone : Home ... probably indicative of ... One specimen has been attributed by archaeologists as a Neolithic hammer stone or grinding stone ...

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