You Do Need power plug adapter while traveling from Lebanon to Uruguay.

Here is Why You Need An Adapter

The outlet and plug type used in Uruguay are C, F and L and in Lebanon are C, D and G. This is how they look like.

Lebanon

In Lebanon, outlets of type C, D and G are in use.

Type C

Type D

Type G

Uruguay

In Uruguay, outlets of type C, F and L are in use.

Type C

Type F

Type L