Assertion: locomotive's engine | /r/CapableOf | use pump
Facets:
Source sentences:
text: Later engines used pumps driven by the motion of the pistons (axle pumps), which were simple to operate, reliable and could handle large quantities of water but only operated when the locomotive was moving and could overload the valve gear and piston rods at high speeds.
text: Early engines used pumps driven by the motion of the pistons.