Each line is unique, no repeat lines! Each one fits in its given role and all lines have been replaced.
To install, head into your programs folder, then head to this folder address: Steam\SteamApps\common\Team Fortress 2\tf\custom
Extract the .VPK file from the .RAR you downloaded, drop the .VPK file into the custom folder, and it'll run! It won't work on Valve servers, or any server with full sv_pure settings enabled, so you'll have to play on a community server to hear the mod in action.