
In the last section we used the 3 CIRCUIT BREAKERS, rotated 3 huge ducts, and then made our way across a big industrial room.

Now, drop into the water-filled shaft...

...and swim through the wide passageway to surface in a room with flickering lights.
Head down the ramp...

...and step into the shallow water to draw out a barracuda (22), which you can then kill with pistols.

Wade in a little farther and and make a U-turn to the right to find an alcove with 2 bundles of harpoons (26-27).

Swim to either of the two doorways on the other side of the pool.

Climb out, and kill a worker with a wrench (23). (If he gets too close, hop back into the water; he won't follow.)

Take his small medi pack (28) and enter the room he came from.
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