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Wikipedia is a work in progress. Technically, few if any pages can ever be complete. Additionally, many pages are about ever-changing subjects and require non-stop updates. Some pages are so complicated that it is impossible to complete them or complete certain changes in a single edit.
The American Recovery and Reinvestment Act of 2009 created over 12,600 road construction projects, over 10,000 of which were in progress as of 2010. [45] Workers in highway work zones are exposed to a variety of hazards and face risk of injury and death from construction equipment as well as passing motor vehicles.
Scaffolding for rehabilitation in Madrid, Spain [1] Scaffolding for renovation on the Virgin Mary statue, Santiago de Chile, Chile.. 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.
Instructional scaffolding is the support given to a student by an instructor throughout the learning process. This support is specifically tailored to each student; this instructional approach allows students to experience student-centered learning, which tends to facilitate more efficient learning than teacher-centered learning.
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 ...
Signage systems are visually oriented information systems, consisting of signs, maps, arrows, color-codings systems, pictograms and different typographic elements. Signage systems differ from other methods of information presentation because they are typically used to guide people's passage through the physical world; road signs on a highway, station identification signs in a subway and ...