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  2. Wing Enterprises - Wikipedia

    en.wikipedia.org/wiki/Wing_Enterprises

    Wing Enterprises is an American company headquartered in Springville, Utah company, the largest American manufacturer of ladders as of 2005. [1] The company produces the Little Giant Ladder System, a convertible aluminium ladder system. The founder of Wing Enterprises, Harold Ray "Hal" Wing, came across a prototype of the ladder in Germany in

  3. Ladder - Wikipedia

    en.wikipedia.org/wiki/Ladder

    The safest angle for a ladder is 75.5°; if it is too shallow, the bottom of the ladder is at risk of sliding, and if it is too steep, the ladder may fall backwards. This angle is achieved by following the 4 to 1 rule for a ladder placed on a vertical wall: for every four feet of vertical height, the ladder foot should move one foot from the wall.

  4. Glossary of firefighting equipment - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_firefighting...

    Extension ladder A 20–60-foot ladder with one or more movable sections that extend beyond a base section, generally using a halyard rope and pulley mechanism for lifting and locking cams to latch the moving sections at a selected height.

  5. Fixed ladder - Wikipedia

    en.wikipedia.org/wiki/Fixed_ladder

    Stand-off brackets: Dictated by OSHA Standard 1910.27(c)(4) stand-off brackets must be at least 7" (180 mm) longer than the farthest obstruction for clearance on the back side of ladder. This means that if there is a 4" (100 mm) gutter projecting from the side of a building, a fixed ladder would have to have standoff brackets that were at least ...

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    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. Hook and Ladder No. 4 - Wikipedia

    en.wikipedia.org/wiki/Hook_and_Ladder_No._4

    Hook and Ladder No. 4, originally Truck No. 4, is a firehouse located at Delaware Avenue (U.S. Route 9W and New York State Route 443) in Albany, New York, United States. It is an elaborate brick structure in the Dutch Colonial Revival architectural style , designed by Albany architect Marcus T. Reynolds , and completed in 1912.

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