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Industry | n. phr.
A machine used for milling that crushes olives by means of one or more coneor cylinder-shaped granite blocks revolving against a round granite stone base underneath.

Example

The olives are ground up, together with their stones, and mixed into a homogeneous pulp. This is carried out in a stone-mill consisting of a horizontally lying granite block with a granite millstone resting perpendicular to it.

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