a locomotive that carries its own fuel and water; no tender is needed
motor that converts thermal energy to mechanical work
something used to achieve a purpose
a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks
an enclosed armored military vehicle; has a cannon and moves on caterpillar treads
a large (usually metallic) vessel for holding gases or liquids
store in a tank by causing (something) to flow into it
a cell for violent prisoners
treat in a tank
