The wind barb shows the speed using "flags" on the end.

This minimises the stalling speed of aircraft using the aerofoil.

This version allowed potential customers to purchase a vehicle and drive it like a normal car for short distances at low speeds using battery power.

Furukawa components like cables and pumps are used to transmit information at high speeds using light instead of electric pulses.

The boat could be run at slow speed using the centreline diesel only.

Imagine a driver trying to figure out a car's speed using only its odometer (distance meter) and clock, without a speedometer!

All you have to do is control the speed using the brake [source: Blanco].

Before the teeth can engage, the cone clutch engages first, which brings the selector and gear to the same speed using friction.

Intel has its own answer to transferring data at high speeds using a standardized format.

With short, broad wings, it can fly at low speeds using minimal energy.