What are main duties for Third Engineer?请帮忙给出正确答案和

正确答案：The Third Engineer is responsible for watching at periods of 0000-0400 hours and 1200-1600 hours; He is responsible for the operation, maintenance and repair of generators, steering gears, and auxiliary boilers, under the direction of the superior officer; He is responsible for taking measures in safe and efficient operation of all machinery, and preventive measures against fire and oil pollution; He is responsible for taking measures in safety procedures and maintenance of all safety appliance, fire detection and fighting equipment, and engine control systems in a thoroughly efficient state, and fuel transfer operation; He is responsible for carrying out the instructions of the deck duty officer related to ballasting and deballasting and recording the operations; He is responsible for testing the boiler water and jacket cooling water, recording the result in the Engine Room Log Book; He is responsible for the maintenance, overhaul, and upkeep of all electrical equipment under the direction of the Chief Engineer for preparation of electrical stores and spare parts; He is responsible for to the Chief Engineer for the monitoring of temperature of vessel