What are the two bars which drop when you shoot?

[bbson john]

I have been think for so long, but I can't get it.

EDIT: People answered me by private messages. Sorry, I haven't read them until a moment ago .


;( I am such a stupid dumbass!!!

 

[jimmyjam]

ammunition and health

and nice of you to put a spoiler image into such a trivial thread

 

[bbson john]

ammunition and health

and nice of you to put a spoiler image into such a trivial thread

Deleted.

 

[jimmyjam]

the bars are in hl2 now too, for the record

 

[bbson john]

Will half-life 2 difficulty be raised too? I mean the enemies' hit point and their guns damage.