Possible Clues:

• Boat train being derailed
• Giant fell floundering into the sea from boat
• I grin and bear it (smash and grab raid from pirate ship)
• Giant upset in sea vessel
• Vessel's giant waves in seawater
• Ship's one good worker in sea
• Craft work of giant encased in salt
• Vessel 'Titanic', one coming first in sea
• Be taken round new training ship
• Sea engulfing stricken giant two-master