Torsion spring
Stiffness
Torsion (gastropod)
Four-bar linkage
Linkage (software)
Instant centre of rotation
Spring (device)
Row
Structural engineering
Hinge
Control theory (sociology)
Rotation (mathematics)
Physics
Geometry
Mathematics
Engineering
Computer science
Medicine
Biochemistry
Chemistry
Surgery
Control (management)
Artificial intelligence
Gene
Database
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