Ships and machinery --;Diesel engines --;Steam turbines and gearing --;Boilers --;Feed systems --;Pumps and pumping systems --;Auxiliaries --;Fuel oils, lubricating oils and their treatment --;Refrigeration, air conditioning and ventilation --;Deck machinery and hull equipment --;Shafting and propellers --;Steering gear --;Fire fighting and safety --;Electrical equipment --;Instrumentation and control --;Engineering materials --;Watchkeeping and equipment operation.