third class lever or second it depends
1st class lever3rd class lever
2nd class Lever
You have two levers working in your jaws! When you bite using your front teeth, such as munching a bite out of an apple, your lower jaw acts as a third class lever. When you crunch on the apple with your molars, your lower jaw now acts as a second class lever.
3rd class lever
A lever jaw wrench is one with an adjustable jaw.
Class 1 lever
3rd class lever
The Class Lever for Pliers is a class 2 lever.
Class 3 Lever! You Don't even know that!
First class lever
first class lever
class 3