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The Orange Box: Portal Hints
Chapter 9
1 of 4: See the Testchamber 17 hints for more detailed info on this chapter.
2 of 4: There are several cameras in this chapter, but only two of them can be destroyed. You'll have to skip by the ones that are on metal surfaces, like the one in the corridor just past the elevator.
3 of 4: The first of the destroyable cameras is on the wall right past the second energy orb corridor. [27]
4 of 4: The other one is in the big three-lift room, over the doorway that leads to orb receptor #1. [28]
