41. Her proposal is to place it on hydraulic lifts that go underground when the gear is not in use. 42. Noah shouted as he spotted a huge semitruck hoisted almost vertical by a hydraulic lift outside the sprawling plant. 43. Musical acts will perform on a circular stage that will rise up through the floor on a hydraulic lift . 44. Stairs led up to the platforms, whilst a hydraulic lift was used to transport luggage from the booking hall. 45. To enter, you must climb a steep metal ladder and settle into a narrow chair that has a hydraulic lift . 46. On the technical side, the sound, lights and hydraulic lift for the orchestra pit are considered state of the art. 47. They brought 40, 000 pounds ( 18, 140 kilograms ) of equipment, including hydraulic lifts , fiber-optic cameras and listening devices. 48. He used a joystick to maneuver the infrared camera attached to a hydraulic lift 15 feet above the truck bed. 49. A subway was installed to allow better transfer of luggage between platforms with hydraulic lifts to raise and lower luggage. 50. At the pad, the railroad car turned into a hydraulic lift and gently propped the gray and white rocket upright.