How does it work? – Escalator
This animation demonstrates how an escalator works.
escalator, electric motor, emergency stop button, metro, shopping centre, technology
This animation demonstrates how elevators work.
The fastest track-based means of urban transportation.
River locks make rivers with great level differences safe for boating.
Two meshing gears transmit torque during their rotational motion.
Trolleybuses and streetcars are environment-friendly means of public transportation
Combine harvesters are machines that harvest and thresh grain crops.