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The test surface is cleaned to remove any dirt, paint, oil, grease or any loose scale that could either keep penetrant out of a defect or cause irrelevant or false indications. Cleaning methods may include solvents, alkaline cleaning steps, vapour degreasing, or media blasting. The end goal of this step is a clean surface where any defects ...
The marine and air transportation, [9] offshore structures, [10] industrial plant and facility management industries depend on maintenance, repair and overhaul (MRO) including scheduled or preventive paint maintenance programmes to maintain and restore coatings applied to steel in environments subject to attack from erosion, corrosion and environmental pollution.
Some types of responsibilities are dependent on the museum the technician works. In a large organization a conservation technician may conduct one specific activity, such as sampling paint layers. In other museums a conservation technician may be required to conduct a wide variety of tasks, such as research, labeling objects, monitoring ...
Paintings conservators treating a painting at the National Museum, Warsaw. A paintings conservator is an individual responsible for protecting cultural heritage in the form of painted works of art. These individuals are most often under the employ of museums , conservation centers, or other cultural institutions.
A job description is a document that describes the general tasks, duties, and responsibilities of a position, and may specify the functionary to whom the position reports, specifications such as the competence, qualifications, registration, certification or skills needed by the person in the job, and a salary range. Formal job descriptions help ...
Some primers can be tinted to match more closely with the color of the finishing paint. If the finishing paint is a deep color, tinting the primer can reduce the number of layers of finishing paint that are necessary for good uniformity across the painted surface. Primers are also used to hide joints and seams to give a finished look.
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Technicians can blend in high ridges and relieve pressure using light hammers with non-marring hammer heads. Cracking or chipping can be avoided with the use of heat, although a re-painted surface has a greater likelihood of cracking. There is also a greater chance of pulling paint while glue pulling if the panel does not have its factory finish.