This almost certainly involved rafts, possibly equipped with some sort of sail. The earliest evidence of maritime transport by modern humans is the settlement of Australia between 50,000 and 60,000 years ago. The dismantling of ships is called ship breaking. The construction of boats is a similar activity called boat building. Shipbuilding and ship repairs, both commercial and military, are referred to as " naval engineering". :β34β37 The design process saw the early adoption of the logarithm (invented in 1615) to generate the curves used to produce the shape of a hull, especially when scaling up these curves accurately in the mould loft. :βch1 Some key industrial advances were developed to support shipbuilding, for instance the sawing of timbers by mechanical saws propelled by windmills in Dutch shipyards during the first half of the 17th century. Until recently, with the development of complex non-maritime technologies, a ship has often represented the most advanced structure that the society building it could produce. Shipbuilders, also called shipwrights, follow a specialized occupation that traces its roots to before recorded history. It normally takes place in a specialized facility known as a shipyard. Shipbuilding is the construction of ships and other floating vessels.
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