| 31. | The whole building had to be lifted with hydraulic jacks and suspended aloft temporarily while new timbers were installed.
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| 32. | In-built hydraulic jacks were standard.
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| 33. | Hydraulic jacks mounted on the eight steel tracks have lifted the building one-eighth of an inch onto steel rollers.
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| 34. | A hydraulic jack uses a liquid, which is incompressible, that is forced into a cylinder by a pump plunger.
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| 35. | Divers are to attach steel cables to 26 hydraulic jacks on the barge to precut holes in the Kursk's hull.
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| 36. | In equal bursts of power, the 100 hydraulic jacks will push the lighthouse a foot every one or two minutes.
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| 37. | A plastic tube was used to enable him to breathe while rescue teams used a hydraulic jack to extricate him.
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| 38. | A ?0, 000 grant from Darlington borough council also allowed the purchase of a five-tonne crane and four hydraulic jacks.
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| 39. | Since about 1963 however hydraulic jacks are used to physically stretch the rails while they are supported on temporary rollers.
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| 40. | These boats are made from foam and fibreglass, and have hydraulic jacks that enable the motor to be jacked up.
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