The document discusses three careers related to working on ships: Marine Architect, Ship Engineer, and Mates - Ship, Boat, Barge.
Marine Architects design ship hulls and interiors, using skills like listening to client needs, understanding technical documents, and applying mathematics. They confer with engineering workers and determine design changes based on sea trials. Ship Engineers monitor machinery, determine issues, and perform maintenance tasks. Mates supervise crews, steer vessels, and assume command if needed. They navigate and arrange for ship operations. All three careers require relevant experience over formal education and provide salaries from $31-88k annually.