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To raise an extension ladder, lay it flat with its feet against the wall of the building.

Of course, you will have to erect an extension ladder to get at the roof.

The agents hadn't even asked about the two extension ladders on the roof.

The extension ladder - how the hell did they get that here?

What neighborhood really needs more than one long extension ladder, for instance?

An extension ladder must also lean at an angle against a wall or other support.

"The extension ladder from the fire tower is right alongside the back door."

Remember that a long extension ladder can be difficult to maneuver.

When setting up an extension ladder, watch for overhead power lines.

To move a raised extension ladder two or three feet, first descend to the ground with your gear.