Before revision: 200px|Range of movement of the Killough platform (Gray) A Killough platform is a three-wheel drive system that uses traditional wheels to achieve omni-directional movement without the use of omni-directional wheels ( omni wheels/Mecanum wheels .
After revision: such as)200px|Range of movement of the Killough platform (Gray) A Killough platform is a three-wheel drive system that uses traditional wheels to achieve omni-directional movement without the use of omni-directional wheels ( omni wheels/Mecanum wheels .