The Pipe Fitter 1st Class is responsible for planning, installing, and repairing pipe systems, inspecting and testing installations, measuring and marking pipes, and assembling pipes and related equipment. The role requires adherence to safety protocols and includes working in challenging conditions, such as on ships and in confined spaces.

The Plate Fitter 1st Class is responsible for interpreting blueprints to fabricate and fit metal structural parts in a ship's hull. Responsibilities include marking reference lines, aligning parts, installing components, and using hand and power tools for fabrication, welding, and fitting. The role requires working in various conditions and with potentially hazardous materials, while ensuring safety protocols are followed.

The Plate Fitter is responsible for reading blueprints, laying out and fabricating structural metal parts for ships, aligning, marking holes, and installing various structural accessories. The role requires quality control, safe operation of machinery, and manual handling of heavy materials. Candidates need to interpret technical documents and perform basic math operations.