The storage was to be purely mechanical, using wheels and cards.

Load capacity may be increased by using wider wheels with more ground contact area.

Creatures could only use wheels on a world that provided them with natural highways.

As far as is known they did not use wheels or pulleys.

As its name implies, a rocket sled does not use wheels.

Captive animals continue to use wheels even when provided with other types of enrichment.

Trailer-to-trailer connection can also be made by using fifth wheels.

That's where I got the idea for using wheels.

It does this by using several weighted wheels that spin based on the position of the instrument.

Also an artist can engrave it by hand using wheels.