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A pontoon boat is a flattish boat that relies on nautical floats for buoyancy. Common boat designs are a catamaran with two pontoons, or a trimaran with three. [2] In many parts of the world, pontoon boats are used as small vehicle ferries to cross rivers and lakes. [3] An anchored raft-like platform used for diving, often referred to as a pontoon
The dock piers were code named "Whale". These piers were the floating roadways that connected the "Spud" pier heads to the land. These pier heads or landing wharves, at which ships were unloaded each consisted of a pontoon with four legs that rested on the sea bed to anchor the pontoon, yet allowed it to float up and down freely with the tide.
A floating dock, floating pier or floating jetty is a platform or ramp supported by pontoons.It is usually joined to the shore with a gangway. The pier is usually held in place by vertical poles referred to as pilings, which are embedded in the seafloor or by anchored cables. [1]
The majority of the gyres become pollution dumps filled with plastic. Research on floating plastic debris in the ocean was the fastest-growing topic among 56 sustainability topics examined in a study of scientific publishing by 193 countries over 2011 to 2019. Over nine years, global research documenting this phenomenon ballooned from 46 (2011 ...
Polystyrene foam blows in the wind and floats on water due to its low specific gravity. It can have serious effects on the health of birds and marine animals that swallow significant quantities. [71] Juvenile rainbow trout exposed to polystyrene fragments show toxic effects in the form of substantial histomorphometrical changes. [72]
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