A.Emergency fire pump
B.Windlass
C.Main sea water pump
D.Fresh water pump

A.Accommodation lighting
B.Windlass
C.Main sea water pump
D.Compressor

A.Navigation lamp
B.Windlass
C.Main sea water pump
D.Compressor

A.Ammeter and changeover switch
B.Speed governor device
C.Synchroscope
D.Wattmeter

A.Control panel
B.Paralleling panel
C.Load panel
D.Busbar

A.Overflow valve
B.Reducing valve
C.Balancing valve
D.Reducing valve or balancing valve

A.overflow valve
B.reducing valve
C.relief valve
D.sequence valve

A.overflow valve
B.reducing valve
C.relief valve
D.sequence valve

A.control the fluid flow through it
B.prevent the pressure before it over the specified valve
C.make the pressure after it steady
D.control the direction of oil flow

A.control the back pressure of return oil
B.lock the oil lines under some conditions
C.change the direction of oil flow
D.act as relief valve

A.direction of oil flow
B.back pressure of return oil
C.bypass of filter
D.high pressure overflow