1.   Soon the four wheels were shiny black with bright red centres.

2.   Although systems differ from one automaker to another, the ultimate goal is to make the spinning wheel rotate at the same speed as the other wheels.

3.   But the last four wheels did not make the switch, traveling east on the line underneath Eastern Parkway.

4.   He suggests that the driver remove one lug nut from each of the other three wheels.

5.   Instead of heavy lace-up boots, the four wheels are strapped to light-weight fashionable sneakers.

6.   It can brake any or all of the four wheels.

7.   Versatrack has the ability to switch traction progressively to a single rear wheel when the other wheels spin.

8.   When sensors detect that any wheel is slipping, torque is directed to the other wheels.

9.   With this system, the Aviator can continue to move if only one of the four wheels has traction.

10.   The performance of police patrolling the city on the two wheels has reaped praise from Bangkok residents, who said their complaints and problems were addressed faster than before.