Lever and Valve rocker

Lever noun - A simple machine that gives a mechanical advantage when given a fulcrum.

Valve rocker and lever are semantically related. In some cases you can replace phrase "Valve rocker" with "Lever", this terms are similar.

Nearby Words: leverage, levered, levering

Valve rocker noun - A lever pivoted at the center; used especially to push a valve down in an internal-combustion engine.

Lever and valve rocker are semantically related. You can use "Lever" instead a noun phrase "Valve rocker".