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Because an escalator is type of ramp that help other people up \
Motion is movement of any kind.
a lift goes vertical. an escalator is moving stairs.
yes
Both a quartz watch and an escalator are examples of periodic movement.
The escalator is a type of inclined plane, where motion is at an angle instead of straight up as in an elevator.
People use the escalator to move from floor to floor.
There are really some good pros of an escalator they are that people use them
It helped people.
Because an escalator is type of ramp that help other people up \
Related to plate motion and things either staying in place or island jumping.
The escalator moves so that either people can relax from walking and just stand there or they can walk but faster.
The People's Champions - 2003 Escalator 1-3 was released on: USA: 16 March 2003
* a flat escalator * A moving walkway * people mover * mobile sidewalk * Pedestrian mover * Esca-walk
the gear in the watch of the frustrated man waiting for it to get to floor 9
escalator companys
escalator function and application