A few typos and bugs:
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×Start: "to establish", not "too establish". 1N3E: "equipment", not "equipement" (also elsewhere). 1S3E: "terrain", not "terran"; "to duck", not "too duck"; "enemy's" or "enemies'", not "enemie's"; "volatile", not "volotile".
"This door seems to be locked" shouldn't trigger in 1N2W after opening the door. (Similarly, the boss's briefing should probably only appear once; and many other triggers, like "more rats".)
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Training Course:
Entrance: "All right", not "alright". 1N: "imput", "equipement", "missons" (also elsewhere). 6N: "large number", not "large amount"; "It i" should be deleted"; "carfully". 7: "hordes", not "hords". 8: "operation", not "opperation". 9: "weaponry", not "weapondry".