A class 3 is where the effort is in the middle: the resistance is on one side of the effort and the fulcrum is located on the other side, for example, a pair of tweezers or the jawbone. Mechanical advantage is always less than 1. Examples of common tools that use a type 3 lever include:
Item
Number of Class 3 Levers Used
fishing rod
a single class 3 lever
tweezers
Two class 3 levers
tongs
Two class 3 levers
Here is a video to explain a common use of levers.
Examples of common tools that use a type 3 lever include:
Looney Tunes Class 3