I think you have to put the weapons in the player box for authenticity. From it he takes a weapon, it falls after his death. Also raspodozheie box will not interfere with the module further leap. Here’s how it looks like
The original model for that case was used in Half Life 1 in Xen, by scientists to store some samples safely.
That red triangle with an “8” is probably a similarity with a real Dangerous Goods sign: Class 8 - Corrosives
After they made Half Life Deathmatch, they used it as a simple ammunition salvage from other players.
And Black Mesa Multiplayer already has that.
I think it wouldn’t fit in singleplayer.My opinion.
But you can use other numbers such as 3 .However model in the screenshot - a model of the Black Mesa Instead of Half-Life.
I picked this model because it is only used in MP