The door was jammed shut with two big bolts, top and bottom.

One by one, the big bolts released, until all three were loose.

He walked across to the door and quietly shot the big bolt.

The big bolts holding the frame together took all the strain.

It was lightning, he realized, a big blue bolt.

Same again on fire-doors at bottom of stairs, plus two big interior bolts.

There, he saw Gilbert, on hands and knees, yanking back the big bolt.

When they saw her coming, they pulled up the big bolt and didn't say anything as she went through the door.

He stepped around the others and over to a door locked with two big bolts.

A big bolt stuck out where the mop head attached to the handle.