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2. Box crib - Wikipedia

   en.wikipedia.org/wiki/Box_crib

   A box crib or cribbing is a temporary wooden structure used to support heavy objects during construction, relocation, vehicle extrication and urban search and rescue. It is commonly used to secure overturned motor vehicles, and debris within collapsed buildings. Cribbing is often used in conjunction with other stabilization equipment, such as ...

3. Scaffolding - Wikipedia

   en.wikipedia.org/wiki/Scaffolding

   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.

4. American historic carpentry - Wikipedia

   en.wikipedia.org/wiki/American_historic_carpentry

   A timber bridge or wooden bridge is a bridge that uses timber or wood as its principal structural material. One of the first forms of bridge, those of timber have been used since ancient times. Wooden bridges could be a deck-only structure or a deck with a roof. Wooden bridges were often a single span, but could be of multiple spans.

5. Carpentry - Wikipedia

   en.wikipedia.org/wiki/Carpentry

   Carpentry is a skilled trade and a craft in which the primary work performed is the cutting, shaping and installation of building materials during the construction of buildings, ships, timber bridges, concrete formwork, etc. Carpenters traditionally worked with natural wood and did rougher work such as framing, but today many other materials ...

6. Dugout (shelter) - Wikipedia

   en.wikipedia.org/wiki/Dugout_(shelter)

   They would usually range in size from dugouts that could hold several men to dugouts that could hold thousands of soldiers. Some sophisticated dugouts, such as the Vampire dugout, were placed more than 10 metres (33 ft) underground, lined with concrete, wood and steel to withstand the shock of artillery, accessed via a set of wooden stairs.

7. Girder bridge - Wikipedia

   en.wikipedia.org/wiki/Girder_bridge

   A concrete girder bridge pier during construction prior to installation of the bridge deck and parapets, consisting of multiple angled pylons for support (bottom), a horizontal concrete cap (center), and girders (top) with temporary wood bracing. The substructure is made of multiple parts as well: