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- A natural and permanent danger here activates a clockwork mechanism in order to slow the victim down.
- A vibration sensor in/on a container activates a gravity mechanism in order to put the victim to sleep.
- A trip-wire at the entrance activates a hydraulic mechanism in order to sound an alarm.
- A guard in/on the ceiling activates a electronic mechanism in order to prank a character.
- A timed, repeated trap which goes off arbitrarily once per day activates a hydraulic mechanism in order to drain a character resource.