Related Clues:

• Tax on the big vessel
• Attacks, by the sound of it, in a very big way
• Brewer's vessel
• Tun, for one
• Large tub and tax
• Industrial tub
• Vessel's key question
• Barrel - tax
• Large vessel
• Tank - tax!
• Large container for liquid
• Tax — tank
• Large tank or vessel
• Fermenting locale
• Brain container in a thought experiment