Include all maintenance ladders and access shafts, starting with this one.

There is also a small air lock in the rear at the end of the access shaft.

The access shafts had been drilled upward to the outside, on the side of the mountain.

The others followed, climbing slowly down into an access shaft of the city sewage system.

It was an access shaft of some sort, allowing quick and easy movement to all levels of the mine.

He could see why she'd suggested not trying the access shaft.

Mardy closed as an access shaft on 21 December 1990.

"You and me both," she said, floating up to the top of the access shaft.

There came the clear sound of something sharp scraping its way down the access shaft.

A temporary access shaft is sometimes necessary during the excavation of a tunnel project.