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2. International Standard Classification of Occupations - Wikipedia

   en.wikipedia.org/wiki/International_Standard...

   The International Standard Classification of Occupations ( ISCO) is an International Labour Organization (ILO) classification structure for organizing information on labour and jobs. It is part of the international family of economic and social classifications of the United Nations. [ 1] The current version, known as ISCO-08, was published in ...

3. Hull maintenance technician - Wikipedia

   en.wikipedia.org/wiki/Hull_Maintenance_Technician

   A hull maintenance technician using a cutting torch aboard the USS Nimitz. Hull maintenance technician (abbreviated as HT) is a United States Navy occupational rating.. Hull maintenance technicians plan, supervise, and perform tasks necessary for fabrication, installation and repair of all types of shipboard structures, plumbing, sheet metal fabrication, carpentry and piping systems; organize ...

4. Weld quality assurance - Wikipedia

   en.wikipedia.org/wiki/Weld_quality_assurance

   Weld mapping is the process of assigning information to a weld repair or joint to enable easy identification of weld processes, production (welders, their qualifications, date welded), quality (visual inspection, NDT, standards and specifications) and traceability (tracking weld joints and welded castings, the origin of weld materials).

5. Welder certification - Wikipedia

   en.wikipedia.org/wiki/Welder_certification

   Welder certification is based on specially designed tests to determine a welder 's skill and ability to deposit sound weld metal. The main part of the welder's test consists of welding one or more test coupons which are then examined using non-destructive and destructive methods. The extent of certification is described by a number of variables ...

6. Seafarer's professions and ranks - Wikipedia

   en.wikipedia.org/wiki/Seafarer's_professions_and...

   Seafarer's professions and ranks. Seafaring is a tradition that encompasses a variety of professions and ranks. Each of these roles carries unique responsibilities that are integral to the successful operation of a seafaring vessel. [ 1] A ship's crew can generally be divided into four main categories: the deck department, the engineering ...

7. Welding - Wikipedia

   en.wikipedia.org/wiki/Welding

   Welding. Overhead stick welding. Welding is a fabrication process that joins materials, usually metals or thermoplastics, primarily by using high temperature to melt the parts together and allow them to cool, causing fusion. Common alternative methods include solvent welding (of thermoplastics) using chemicals to melt materials being bonded ...