Dead end - or not.

<snip>There was no time to stop, Chrizla tripped over the Skutter
and banged his head on a railing; he could just make out footsteps
fading in the distance. The Skutter looked at him and started
bleeping and whirring, it was obviously trying to tell him something
that Chrizla couldn't understand.
What the Skutter was actually saying was:
'Look, you psychopathic gimboid; that there is the corridor that
leads to the reactor core, did you honestly think I was gonna let
you go down there? No! Your skin'd go all manky and you'd start
coughing up your intestines. Honestly...'
Sandra had just gone down a dead-end corridor that led to her doom.
<end snip>
Sandra raced down the corridor. A straight corridor is one of the
worst places to be when someone's chasing you, however, and she had
no wish to be caught. She had already glanced up ahead, just in case
there was an intersection. None were in evidence, so Sandra was
forced to rely on the slim hope that there was an alternative way out.
She sagged with relief when she caught sight of an air vent, and,
skidding a little, dropped to her knees beside it. Quickly prying off
the rusting grille, she wriggled into the vent. It was just big
enough. Unfortunately, the hallocinogenic virus had already spread
through the vent system.
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