The Boat Part 3
The traps are pulled up to the surface using hydraulics. After the buoy is gaffed and brought on board the rope if fed through a pulley (far right of photo) and to the winch. The boom (horizontal bar below attached to pulley) can be moved in and out or up and down via hydraulic cylinders. One of the cylinders is shown in the top middle of this photo.
Next "The Wheel House"