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New ship being prepared for launch, showing fresh anti-fouling paint Ship hull being cleaned of fouling in drydock. Anti-fouling paint is a specialized category of coatings applied as the outer (outboard) layer to the hull of a ship or boat, to slow the growth of and facilitate detachment of subaquatic organisms that attach to the hull and can affect a vessel's performance and durability.
Due to the fragility of certain coatings, objects subject to constant friction like boats hulls would require constant re-application of such a coating to maintain a high degree of performance. Despite the many applications of superhydrophobic coatings, safety for the environment and for workers can be potential issues.
Shellac naturally contains a small amount of wax (3%–5% by volume), which comes from the lac bug. In some preparations, this wax is removed (the resulting product being called "dewaxed shellac"). This is done for applications where the shellac will be coated with something else (such as paint or varnish), so the topcoat will adhere.
During the 20th century, it came to be realised that the impregnation of the paint layer with wax could have deleterious effects, including darkening of the picture, especially where canvas or ground were exposed. [10] The most commonly used adhesive material in the modern day is a compound known as BEVA 371.
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Dazzle camouflage, also known as razzle dazzle (in the U.S.) or dazzle painting, is a type of ship camouflage that was used extensively in World War I, and to a lesser extent in World War II and afterwards.
The Radium Girls were female factory workers who contracted radiation poisoning from painting radium dials – watch dials and hands with self-luminous paint. The incidents occurred at three factories in the United States: one in Orange, New Jersey , beginning around 1917; one in Ottawa, Illinois , beginning in the early 1920s; and one in ...
For this piece entitled " Sea of Hull", 3,200 people were painted in four different shades of blue. The participants volunteered to raise awareness of the rising sea levels due to climate change ...