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Design Overview. In simplistic terms, the guqin is an acoustic instrument consisting of a sound chamber formed by two long planks of wood glued together. One or both planks are carved inside to form a hollow chamber. On the underside of the instrument are sound holes. Strings are supported by a nut and bridge.
American historic carpentry. The Golden Plow Tavern in York, PA, is a very unusual American building. It is built with corner post construction on the ground floor, half-timbered style of timber framing on the upper floor and has a less common style of wood roof shingles than typical in America. American historic carpentry is the historic ...
NASA. The Lockheed Martin X-59 Quesst ("Quiet SuperSonic Technology"), sometimes styled QueSST, is an American experimental supersonic aircraft under development by Skunk Works for NASA 's Low- Boom Flight Demonstrator project. [1] Preliminary design started in February 2016, with the X-59 planned to begin flight testing in 2021.
Decorative laminate Roll and sheet of decorative laminate. Decorative laminates are laminated products primarily used as furniture surface materials or wall paneling.It can be manufactured as either high- or low-pressure laminate, with the two processes not much different from each other except for the pressure applied in the pressing process.
History of construction. The history of construction traces the changes in building tools, methods, techniques and systems used in the field of construction. It explains the evolution of how humans created shelter and other structures that comprises the entire built environment. It covers several fields including structural engineering, civil ...
These traction boards from Smittybilt offer a lot of performance for their middle-of-the-road price, making them a great value. They have six carrying handles, shovels at both ends, and a maximum ...
A structural insulated panel, or structural insulating panel, ( SIP ), is a form of sandwich panel used in the construction industry. SIP is a sandwich structured composite, consisting of an insulating layer of rigid core sandwiched between two layers of structural board, used as a building material. The board can be sheet metal, plywood ...
A Viking longship, displaying the overlapping planks that characterize clinker construction. Clinker -built (also known as lapstrake) [ 1][ 2] is a method of boat building in which the edges of hull planks overlap each other. Where necessary in larger craft, shorter planks can be joined end to end, creating a longer strake or hull plank.