He is rolling on the track.

The wheeled cart is convenient for transporting heavy goods.

She uses a wheelchair to get around.

The moving walkway at the airport facilitates the movement of passengers.

The escalator is out of order.

Wheelchair curling is an exciting Paralympic sport.

She uses a wheelchair to get around.

The rolling cars are parked in the garage.

The rolling car is fast.

Rolling shutters are practical and efficient.