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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   Rigid ladders were originally made of wood, but in the 20th century aluminium became more common because of its lighter weight.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. Werner Co. - Wikipedia

   en.wikipedia.org/wiki/Werner_Co.

   Werner Co. is a privately owned company involved with the manufacturing and distribution of aluminum and fiberglass ladders, light duty construction equipment, fall protection equipment, and similar products. Werner Co. is headquartered in Itasca, Illinois.

4. Attic ladder - Wikipedia

   en.wikipedia.org/wiki/Attic_ladder

   Attic ladders are usually made of wood, metal, aluminum, or fiberglass. Also, fire departments carry attic ladders on fire apparatus for use to locate and extinguish fires in attic spaces. They are in a single ladder that is often used by firefighters for interior attic access and have hinged rungs, which allow them to be folded inward so that ...

5. Life expectancy in the US is forecast to grow slightly, but ...

   www.aol.com/news/life-expectancy-us-forecast...

   Life expectancy in the U.S. is projected to increase from 78.3 years in 2022 to 79.9 years in 2035 and to 80.4 years in 2050 for all sexes combined, researchers said.

6. Fixed ladder - Wikipedia

   en.wikipedia.org/wiki/Fixed_ladder

   Cages: Cages are optional for fixed ladders with a floor to floor elevation of less than 20' (6100 mm). They are often available for ladders with elevation changes down to 11' (3350 mm). Cages are mandated to begin between 7' and 8'(2250 mm) from the ground and extend the entire length of the ladder.

7. Fiberglass - Wikipedia

   en.wikipedia.org/wiki/Fiberglass

   Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth .