combination lock

But he never gave a thought to his own safe or to the numbers of its combination lock.

His hand shook as he reached for the combination lock.

You enter the meeting room through a door with a combination lock.

He went to a door and worked the combination lock.

Behind the panel was what seemed to be a combination lock.

There was a heavy combination lock on the front door.

This one had a combination lock next to the handle.

He was bent over and trying to work the combination lock.

He set three C-4 charges around the combination lock and took cover.

The process is a little like standing in front of a combination lock and coming up with numbers that could be used to open it.