Assertion: traction elevator | /r/CapableOf | reach speeds of up to 20
Facets:
Source sentences:
text: Gearless traction elevators can reach speeds of up to 20 m/s (4,000 ft/min), A brake is mounted between the motor and gearbox or between the motor and drive sheave or at the end of the drive sheave to hold the elevator stationary at a floor.