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Persian drill

A Persian drill is a drill which is turned by pushing a nut back and forth along a spirally grooved drill holder. It was formerly used for delicate operations such as jewellery making and dentistry. A ratcheting screwdriver with a "spiral ratchet" mechanism may be used as a Persian drill.

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Map overview Semantic statistics

Persian drill

Nodes9
Edges8
Triples3
Avg. degree1.78
Density0.222222
Components1

How this topic connects Entity context

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Persian drill

Top relations

is a · 1
Persian drill → drill which is turned by pushing a nut back and forth along a spirally grooved drill holder

Important terminology Word statistics

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Important terminology

drill persian used nut jewellery dentistry turned pushing back forth along spirally grooved holder formerly delicate operations making ratcheting screwdriver

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Persian drillis adrill which is turned by pushing a nut back and forth along a spirally grooved drill holder0.90text
jewellery makinginstance ofIt was formerly used for delicate operations0.80text
dentistryinstance ofIt was formerly used for delicate operations0.80text

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