40 Custom fabrication, cutting, shaping, polishing, coating, and blasting of metal components used in the repair of marine vessels; Custom fabrication, cutting, shaping, polishing, coating, and blasting of metal components used in the construction of marine vessels; Custom fabrication, cutting, shaping, polishing, coating, and blasting of metal components used in dams, bridges, buildings, and other structures in transportation projects, in the nuclear industry, the hydroelectric industry, the renewable energy industry, the wastewater treatment industry, the aerospace industry, and the transportation industry