An ordinary glass bottle used for storing alcohol.
This bottle has no use on its own, but it can be combined with one of the various newspapers you find to create the Newspaper + Bottle, which in turn can be combined with the Lighter to create a Molotov Cocktail.
On the boxes in the north east corner of the room.
On top of the metal shelves in the south east corner of the room. You need to push the large metal crate against the wall to reach it. Only Mark is strong enough to move the metal crate.