Gin pole until the topmost portion of the tower is completed. Gin poles are mounted on flatbed trucks as a primitive form of mobile crane, used for lifting and relocating loads, and salvage operations in lieu of a more sophisticated wrecker. Gin pole A gin pole, derived from gyn, is a supported pole that uses a pulley or block and tackle on its upper end to lift loads. The lower end is braced or set in a shallow hole and positioned so the upper end lies above the object to be lifted. The pole (also known as a "mast", "boom", or "spar")
Rigging (material handling) Rigging (material handling) Rigging is both a noun, which is the equipment and a verb, which is the action of designing and installing the equipment, in the preparation to lift, lower, hoist or move objects. A team of "riggers" design and install the lifting or rolling equipment needed to raise, roll, slide or lift objects such as with a crane or block and tackle. "Rigging" comes from "rig", to set up or prepare. Rigging is the equipment such as wire rope, turnbuckles, clevis, jacks and slings used with cranes and other lifting equipment in material handling and structure relocation. Rigging