| (subclass MechanicalJoint EngineeringComponent) | Cars.kif 1376-1376 | |
| (subclass BallJoint MechanicalJoint) | Cars.kif 1364-1364 | |
| (subclass Hinge MechanicalJoint) | Cars.kif 1374-1374 | |
| (subclass Bearing MechanicalJoint) | Cars.kif 1399-1399 | |
| (subclass CVJoint MechanicalJoint) | Cars.kif 2107-2107 | |
| (subclass UniversalJoint MechanicalJoint) | Cars.kif 4229-4229 |
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