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Half-Life Hints
How do I exit the water being held back by the dam?
1 of 9: Look around for possible exits in pipes, gratings, etc.
2 of 9: There is a hand-wheel near some grates.
3 of 9: The wheel opens the grates.
4 of 9: However, fans are running behind the grates. You cannot pass through with those fans operational.
5 of 9: You need to find the switch that disables the fan.
6 of 9: While underwater, you should see a yellow ladder running up the side of a tower. Climb it, but be mindful of the Apache.
7 of 9: The tower holds the controls for the dam. Run into the tower's only room and find the button.
8 of 9: Press it to turn the fans off.
9 of 9: Jump back into the water, retract the grates to the underwater pipes, and swim through.
