This group includes reinforced concreters, cement finishers and terazzo workers not elsewhere classified, for example those who repair floors, walls, tanks, vats and other concrete structural parts and equipment; cut, shape and fasten wire mesh for reinforcing concrete embankments and road surfaces; set expansion joints in concrete paving; cure new concrete by covering with mat and sprinkling water to prevent too rapid drying; operate machine to mix and spray concrete by compressed air to apply a protective coating through nozzle to steel, masonry or other surfaces.