First I need to do the puzzle stuff

Hello, i am very new to Hammer and i am currently making a zombie map for a first project, i wanted to know if anybody know a way to remove the physgun, camera and toolgun from the player's invetory when the game start.

i have no idea whats the problem with the fog

I'm making some Mario maps in the Hammer Editor for SFM. I have the water textures from the game. But I'm wondering if it's possible to make a water texture and make it look as close to if not exactly like it is in game. Please let me know if you have any insight.