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WoodyPlant
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Formal Language:
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traditionalLogic
KB Term:
Sigma KEE - Ratchet
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Ratchet
A
Wrench
that allows an engaged
Bolt
to exhibit
Rotating
freely in one direction but not another, with respect to the handle of the wrench. Some wrenches have a switch that allows selection of one of two directions of free rotation.
Relationships
Parents
Wrench
A
Device
that is designed to apply a rotational force to an
AttachingDevice
, such as a
Bolt
.
Children
SnapOnRatchet
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Sigma web home
Suggested Upper Merged Ontology (SUMO) web home
Sigma version 3.0 is
open source software
produced by
Articulate Software
and its partners
