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2. Scaffolding - Wikipedia

   en.wikipedia.org/wiki/Scaffolding

   Scaffolding, also called scaffold or staging, [2] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other human-made structures. Scaffolds are widely used on site to get access to heights and areas that would be otherwise hard to get to. [3]

3. Aerial work platform - Wikipedia

   en.wikipedia.org/wiki/Aerial_work_platform

   Replacing an advertising poster in London using an aerial work platform. An aerial work platform (AWP), also known as an aerial device, elevating work platform (EWP), aerial lift, cherry picker, bucket truck or mobile elevating work platform (MEWP) is a mechanical device used to provide temporary access for people or equipment to inaccessible areas, usually at height.

4. Movable scaffolding system - Wikipedia

   en.wikipedia.org/wiki/Movable_scaffolding_system

   A movable scaffolding system (MSS) is a special-purpose self-launching form used in bridge construction, specifically prestressed concrete bridges with segments or spans that are cast in place. The movable scaffolding system is used to support a form while the concrete is cured; once the segment is complete, the scaffold and forms are moved to ...

5. Crane (machine) - Wikipedia

   en.wikipedia.org/wiki/Crane_(machine)

   Tower cranes are a modern form of balance crane that consist of the same basic parts. Fixed to the ground on a concrete slab (and sometimes attached to the sides of structures), tower cranes often give the best combination of height and lifting capacity and are used in the construction of tall buildings.

6. Window cleaner - Wikipedia

   en.wikipedia.org/wiki/Window_cleaner

   A scissor lift aerial work platform, used to access high windows Window cleaning platform, or suspended scaffold, also known as a swing stage. Methods of access and equipment related to both access and cleaning vary nationally and regionally.

7. Service structure - Wikipedia

   en.wikipedia.org/wiki/Service_structure

   Space Shuttle Discovery is carried by a Crawler-transporter, a launch tower is visible in the background. A service structure is a steel framework or tower that is built on a rocket launch pad to facilitate assembly and servicing. An umbilical tower also usually includes an elevator which allows maintenance and crew access. Immediately before ...