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  2. Wing Enterprises - Wikipedia

    en.wikipedia.org/wiki/Wing_Enterprises

    The ladder itself is capable of being converted into several heights and configurations from a single ladder. Configurations include a straight or extension ladder, an A-frame ladder, a staircase ladder (an uneven A-frame for use on stairs), a 90° ladder, and both sides of a scaffolding trestle achieved through a triple locking hinge.

  3. Ladder - Wikipedia

    en.wikipedia.org/wiki/Ladder

    Each ladder certification is colour-coded to indicate the amount of weight the ladder is designed to hold, the certification class and its use. The color of the safety label specifies the class and use. Class 1 ladder – for heavy-duty industrial uses, maximum load of 175 kg. Colour-coded blue to identify.

  4. Geared continuous hinge - Wikipedia

    en.wikipedia.org/wiki/Geared_continuous_hinge

    A geared continuous hinge is a type of continuous hinge used mostly on doors in high-traffic entrances and features gear teeth that mesh together under a cap that runs the length of the hinge. The hinges use a number of fasteners to attach the door to the frame from top to bottom to distribute a door’s weight more evenly along the frame to ...

  5. Glossary of firefighting equipment - Wikipedia

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

    Ladder Tender A large medium or heavy-duty truck usually consisting of multiple storage compartments, carrying equipment equal to the capabilities of a ladder truck company, but lacking the aerial ladder. Ladder pipe Nozzle attached to an aerial ladder and used to direct heavy stream from advantageous height. Landing valve

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  7. Fixed ladder - Wikipedia

    en.wikipedia.org/wiki/Fixed_ladder

    Fall protection system: Fixed ladders above 24' must have a fall protection system in accordance with OSHA Standard 1910.28(b)(9)(i)(C). Cages are not anymore considered as fall protection, and ladders that are newly installed or replaced after November 19, 2018, must have a fall protection system based on OSHA's new fixed ladder requirements.