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Half-Life Hints
How do I get through the residue compression room?
1 of 5: Several vats of residue are being repeatedly compressed by large, powerful pistons.
2 of 5: For a few seconds, the pistons are raised above the residue and you can jump on top of them.
3 of 5: Therefore, you need to jump across the moving pistons until you reach the other side.
4 of 5: The best way to go is to jump on the piston in the middle as it is going up, wait for it to start moving down, and then jump onto the piston straight ahead of it as both are going down.
