diagonal and longitudinal planking

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Boat building — Boat building, one of the oldest branches of engineering, is concerned with constructing the hulls of boats and, for sailboats, the masts, spars and rigging.Parts* Bow the front and generally sharp end of the hull. It is designed to reduce the… … Wikipedia
Harbour Defence Motor Launch — The Harbour Defence Motor Launch (HDML) was a British small motor vessel of the Second World War.The HDML was designed by W J Holt at the Admiralty in early 1939. During World War II 486 HDMLs were built, mainly by yacht builders, in the United… … Wikipedia
Blackfriars Street Bridge — The Blackfriars Street Bridge in London, Ontario, Canada is a wrought iron, through, bowstring truss or tied arch bridge, placed across the North Thames River in 1875 and still carrying frequent vehicular and pedestrian traffic. At 216 feet (65.8 … Wikipedia
hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… … Universalium

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