This is partly because the air is thinner and partly because modern aircraft, with small swept - back wings, are designed for optimum performance in the stratosphere. (newscientist.com)
A facility whereby sensors adjust the water intake, wash and rinse times, and so on, to ensure optimum performance with minimum energy and water use. (idealhome.co.uk)
It has 2.4 GHz wireless connection that will allow the device to achieve optimum performance in your gaming. (safetomatic.com)