1.   Undercarriage retraction and extension is operated via the hydraulic system.

2.   The Dale Group which is based at New Houghton near Mansfield specializes in the design and installation of hydraulic mining systems.

3.   Atlantis was returning with an ailing hydraulic system.

4.   A month later, an airliner had to be towed off the runway in Hong Kong because its hydraulic system failed.

5.   A. We own shares of the Dover Corp., which makes elevators, pumps, hydraulic systems and various other things.

6.   Air gets into the hydraulic system when the fluid in the master cylinder is too low.

7.   Both the primary and secondary hydraulic systems would have to fail before the tab assembly would be used to move the elevators, according to Boeing.

8.   But they do like their cars, as evidenced when they gave me a short ride in one of their pickups with an elaborate hydraulic system.

9.   Cars ride up and down a vertical track, raised by either a hydraulic system or a counterweight.

10.   Each actuator is powered by an independent hydraulic system that includes a mechanical device known as a bellcrank.