nuclear-powered ship

(idiomatic) godsend, lifesaver

outside of a 船 – boat (船), spaceship (宇宙船), etc.

Suspicious seacraft. The DPRK (North Korea) especially has a habit of iilegally trespassing into Japanese waters.

tour boat

fondue pot

match (device to make fire)

Kyūjitai form of 火薬

(Buddhism) a fiery chariot that brings sinners to hell; by extension, a form of torture using this vehicle / a burning fire in the shape of a wheel / Short for 火車婆 (kasha-baba): a powerful, evil old hag

boiler / furnace