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A windmill is a machine operated by the force of wind acting on vanes or sails to mill grain (gristmills). Windmills were used throughout the high medieval and early modern periods; the horizontal or panemone windmill first appeared in Persia during the 9th century, and the vertical windmill first appeared in northwestern Europe in the 12th century.
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Windmill | is a | machine operated by the force of wind acting on vanes or sails to mill grain | 0.90 | text |
| Windmill | related to External links | Earth Science Australia | 0.60 | section |
| Windmill | related to External links | Wind Power | 0.60 | section |
| Windmill | related to External links | WindmillsThe International Molinological SocietyWindmills | 0.60 | section |
| Windmill | related to External links | Windmill WorldMill Database | 0.60 | section |
| Windmill | related to External links | Belgium | 0.60 | section |
| Windmill | related to External links | Netherlands Archived | 0.60 | section |
| Windmill | related to External links | Wayback MachineA Geograph | 0.60 | section |
| Windmill | related to External links | Windmills | 0.60 | section |
| Windmill | related to External links | Great BritainThe Mills ArchiveWind | 0.60 | section |
| Windmill | related to External links | University | 0.60 | section |
| Windmill | related to External links | Kent | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.