1.   Flight controls power such systems as the rudders and elevators.

2.   However, there are few other, comparable agencies that operate both water and power systems.

3.   Other conductive fibers could form solar energy collectors to power the system.

4.   Powering the system posed one of the biggest challenges, said Neel Joshi, a senior who was involved in the installation.

5.   The system would be powered by a solar cell or a thin film lithium battery.

6.   Their learning system is powered in part by an automated natural-language search engine created by Tong and Ho.

7.   Cutler-Hammer makes electric products for residential use and industrial applications, ranging from circuit breakers and surge protectors to power monitoring systems at electric power plants.

8.   The pumping system is powered by a windmill attached to a conveyor belt, which carries water from a pond to the farmland.