Wiktionary
crankshafts
n. (plural of crankshaft English)
Usage examples of "crankshafts".
Huge, gleaming crankshafts and rods churned away, and massive silos towered dozens of meters into the air, turning slowly, gurgling softly.
Soon they were inside a tunnel that appeared identical to the one they had passed through to reach the room with the crankshafts and silos.