Assertion: steam engine's steam | /r/CapableOf | raise the piston
Facets:
value: to the top
type: OTHER
Source sentences:
text: In place of gunpowder, a small quantity of water is placed at the bottom of the cylinder, A; a fire is built beneath it, "the bottom being made of very thin metal," and the steam formed soon raises the piston, B, to the top where a latch, E, engaging a notch in latch engaging the piston rod, H, holds it up until it is desired that it shall drop.