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Boat building is the design and construction of boats (instead of the larger ships) — and their on-board systems. This includes at minimum the construction of a hull , with any necessary propulsion, mechanical, navigation, safety and other service systems as the craft requires.
Ancient boat building methods can be categorized as one of hide, log, sewn, lashed-plank, clinker (and reverse-clinker), shell-first, and frame-first. While the frame-first technique dominates the modern ship construction industry , the ancients relied primarily on the other techniques to build their watercraft.
Underwater construction is industrial construction in an underwater environment.It is a part of the marine construction industry. [1] It can involve the use of a variety of building materials, mainly concrete and steel.
For a marine site, while some form of working platform (typically a boat or ship) is often needed, shore-based activities are common. Notwithstanding, underwater archaeology is a field plagued by logistics problems. A working platform for underwater archaeology needs to be equipped to provide for the delivery of air for example, recompression ...
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Copper sheathing is a method for protecting the hull of a wooden vessel from attack by shipworm, barnacles and other marine growth through the use of copper plates affixed to the surface of the hull, below the waterline. It was pioneered and developed by the Royal Navy during the 18th century. In antiquity, ancient Chinese used copper plates ...
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To operate, the frame is lowered until the rope slacks off, then lifted and the boat moved to the next position. Underwater videography , the branch of electronic underwater photography concerned with capturing underwater moving images, and live video feeds, which allow a remote operator to see the underwater environment from elsewhere.