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Test Chamber 08
level_03.bsp 
This Test Chamber is the ninth level of the game, and introduces the player to the pipes, on which only portals and certain entities can go through.
Hazards
- Supressors Fields
- Turrets
- Crushing
Walkthrough
- Wait for the door to open. Prepare yourself before starting the timed puzzle, then pass through the door.
- Place the first portal above the ledge and the other in front of you, then go through this last.
- Shoot the same portal as the previous behind the Turrets, then move back to pass through the portal.
- Knock of the turrets and wait for the moving panels to go down. Then walk on the panels to proceed.
- Jump down from the ledge and place a portal through the pipe. Put the other portal near you then go through it.
- Wait for the ceiling panels to go down and aim the slot between the panels. When you see a white wall through the slot, fire the same portal as the previous on this wall.
- Go through the portal near you then wait for the panels to go down in order to reach the access of the exit.
- Proceed to the Chamberlock.
Video walkthough
- To do