skos:altLabel | - class
- pivot
- rack
- pivots
- Class 3 lever
- I leverage
- Law of the lever
- Lever#Classes
- Lever#Classification of levers
- Lever#Law
- Levers
- Pedals
- Three major classifications
- bolt handle
- bolt lift
- class of lever
- class-2 lever
- first-class lever
- first-class levers
- fulcrum
- handle
- law of the lever
- laws of levers
- lever
- lever advantage
- lever and fulcrum
- lever's fulcrum
- leverage
- levers
- mechanical lever
- pedal
- pivot point
- pivoted
- roller fulcrum
- second order lever
- second-class lever
- three types
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