He stared down at his helm console, running a touch too light to activate anything across the control pads.

A touch on the central indentation would activate an immobilizing electric grid the length of the security entry.

Meanwhile, Rose deduces that she and Mickey were kept alive because their touch can activate the Geneis Ark.

Such traps lie completely dormant until the touch of a probe activates them-then a spell of coercion seizes the watcher in bounds few have been able to break, holding him entranced and unconscious until the elven lord can retrieve his prize at his leisure.

And we both knew that a touch by anyone but himself would activate it.

A touch of a switch activated his chainsword.

A touch of his hand activated a viewscreen within the mines.

The door was enchanted to be soft near the bottom, but only Poth's touch would activate it.