Odo's men cover them as they enter a maintenance shaft to sabotage the weapons.

In the meantime, Peter spots the bounty hunters and escapes down a maintenance shaft.

Approaching the end of the corridor, she saw the entrance to the maintenance shaft that ran vertically through the yacht's four decks.

Buildings may have maintenance shafts for passage of pipes and ducts between floors.

Half a li farther on was the maintenance shaft.

Otherwise, I would by now have encountered numerous maintenance shafts with stairs or ladders.

Here and there orange lights marked maintenance shafts.

He palmed his way through a security door and we walked down a chill hallway to a maintenance shaft.

I said, "They're being lowered into some kind of maintenance shaft?"

Additional maintenance shafts were built at the sites of repairs and at the boundaries between building segments.