Place the PLANK across the water (M).
Use the BOATHOOK to retrieve the bottle (N).
Take the 1/2 SHACKLE (O).
Place the LEVER on the left, and then pull both levers down (P).
Turn the handle and walk forward.
Take the 2/2 SHACKLES and the PLIERS (Q).
Use the 2 SHACKLES on the breaks in the chain (R).
Turn the handle and look inside (S).
Rotate the rings to connect the 2 valves (yellow).
Drag the rings to rotate them into position (T).
Turn both valves.