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2. Ladder - Wikipedia

   en.wikipedia.org/wiki/Ladder

   Rigid ladders were originally made of wood, but in the 20th century aluminium became more common because of its lighter weight. Ladders with fiberglass stiles are used for working on or near overhead electrical wires, because fiberglass is an electrical insulator. [5] Henry Quackenbush patented the extension ladder in 1867. [6]

3. Steeplejack - Wikipedia

   en.wikipedia.org/wiki/Steeplejack

   Steeplejacks erect ladders on church spires, industrial chimneys, cooling towers, bell towers, clock towers, or any other high structure.In the UK, steeplejacks now use a belay rope fall-arrest system (similar to the method used by rock climbers) attached to the ladders as they are erected to eliminate solo climbing and greatly reduce the risk of falls from height.

4. Joinery - Wikipedia

   en.wikipedia.org/wiki/Joinery

   A carpenter uses a chain mortiser to cut a large mortise A worker uses a large circular saw to cut joints. Joinery is a part of woodworking that involves joining pieces of wood, engineered lumber, or synthetic substitutes (such as laminate), to produce more complex items.

5. Attic ladder - Wikipedia

   en.wikipedia.org/wiki/Attic_ladder

   Attic ladders typically consist of a ladder with wider steps and a steep slope. [1] A drawstring will hang down to allow the ladder to be manually extended. Attic ladders are usually made of wood, metal, aluminum, or fiberglass. Also, fire departments carry attic ladders on fire apparatus for use to

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   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Fixed ladder - Wikipedia

   en.wikipedia.org/wiki/Fixed_ladder

   Fixed ladders are generally made of sturdy materials such as: aluminum or fiberglass, but can also consist of reinforced polymers, stainless steel, hot dipped galvanized steel, or wood. Aluminum: This metal is corrosion-resistant and lightweight, making it an ideal; Steel: Another sturdy metal, steel is also used for fixed ladders. However, it ...