wheels

“You could see the wheels going on in their head, like ‘Maybe I could do this,’ ” she said.

Planter boxes on wheels can move greenery or flowers anywhere on site.

Russell ended the session parked on the grass beside the track before the Roggia chicane as a result of a power loss, which left him stuck in seventh gear with the rear wheels locked.

The hum of the electric motor is imperceptible, and it is only at speed that the sound of the rolling wheels on the road breaks through.

Designing the wheels is another challenge, as the Moon's surface is covered with a sticky layer of fragmented rock and dust called regolith.