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Half-Life: Opposing Force Hints
How do I use the large teleportation device?
1 of 6: The room with the large teleportation device leads nowhere. It is a dead-end.
2 of 6: But you have a teleportation device to use. Try stepping onto it.
3 of 6: Some bars drop down, caging you in. Now you are committed.
4 of 6: Push the device's button to transport you.
5 of 6: You will end up in the water like the rest of the debris being moved around.
6 of 6: Quickly swim for a small square exit in one wall and get up onto dry land before you drown.