Organize Safe Maintenance and Repair Procedures &Safe Working Practices. Physical and chemical properties of fuels & lubricants. Operating Principles of Ship Power Installations and Refrigeration& Air Conditioning, Operation and Maintenance of Auxiliary Machinery, Including: Pumps & Pumping System, Heat exchangers, Valves, Auxiliary Boiler Plant and water treatments, Evaporators and Steering Gear System and Cargo Handling Equipment and Deck Machinery. Technology of Materials, Shafting / Propellers and Pollution prevention.