How do I pick up items i dropped?

[andi9x17]

So the title says it all. Those items does not dissappear, but I can't figure out how to pick it up. https://steamcommunity.com/sharedfiles/filedetails/?id=2656953889

[Coops]

see the little recycle symbol in front of your left foot?
The one on the left picks them up the one on the right throws them away forever.

[andi9x17]

Originally posted by Coops:

see the little recycle symbol in front of your left foot?
The one on the left picks them up the one on the right throws them away forever.

thanks man. I was wondering, what they are for.