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The lifting beam (also known as traverse, spreader beam) is a steel beam that is attached to the hook of the crane in order to spread the slings from one end of an elongated load (like a wall panel) to another. The bottom of the beam has multiple connection points for hanging the load. [1] H-shaped traverse. The lifting beams are used in ...
The conversions were to specialized vessels with the machine shops, diver support and heavy lift capacity to clear harbors of wreckage. A distinctive feature of the ships after conversion was the forty ton lift bow horn. They were slightly larger and similar in function and ultimate appearance to the Navy's Salvage Lifting Vessel (ARSD). [2]
Rigging is the equipment such as wire rope, turnbuckles, clevis, jacks used with cranes and other lifting equipment [1] in material handling and structure relocation. Rigging systems commonly include shackles, master links and slings, and lifting bags in underwater lifting.
The turbulence tore the airship apart, and it crashed in three main pieces near Caldwell, Ohio. Fourteen crew members, including Commander Zachary Lansdowne, were killed. Lansdowne and eight crew members in the control car (except for Lieutenant Anderson, who escaped) died when the car detached and fell from the airship; two men died after ...
Accordingly, lifting work was organized at the workplace in a different way than today. In building construction, for example, it is assumed that the crane lifted the stone blocks either from the bottom directly into place, [ 12 ] or from a place opposite the centre of the wall from where it could deliver the blocks for two teams working at ...
Caldwell advocates, however, see the catalogue as a useful list of some of the brightest and best known non-Messier deep-sky objects. Thus, advocates dismiss any "controversy" as being fabricated by older amateurs simply not able or willing to memorize the new designations despite every telescope database using the Caldwell IDs as the primary ...
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