| A | B |
|---|
| Boom | The long usually fabricated, part of the crane that makes it possible to position the load sheaves directly over the load. to be lifted. |
| Bridge crane | A fabricated structural crane that operates on elevated tracks and is bridged over the lifting area. |
| Dunnage | Wood or other material used to support a load and keep it off the ground. |
| Eyebolt | A steel fitting that screws into an object. It contains an eye for attaching rigging equipment. |
| Gantry crane | A fabricated crane that operates on tracks at or near ground level with the traverse beam elevated and bridged over the lifting area. |
| Lang lay | A wire rope construction in which the wires are twisted in the same direction as the strands are twisted in the rope. |
| Lay of rope | A term used to describe the direction in which the wires twist into strands or strands into rope. |
| Load (dead) | The total weight of the suspended rigging. |
| Load (live) | The weight of an object to be lifted. |
| Load (total) | The sum of dead load plus a live load. |
| Mobile | Capable of moving or being moved. |
| Padeye | An affixed lifting lug on a machine or piece of equipment. |
| Plow steel | A type of steel used in making wire rope that is tougher and stronger than the mild grades of steel. |
| psi | Pounds per square inch. |
| Regular lay | A wire rope construction in which the direction of the twist of the wires is opposite that of the strands in the rope. |
| Sheave | A grooved pulley-wheel for changing the direction of a ropes pull. |
| Sling | A length of wire rope, webbing material, manila rope, or chain with an eye splice or other fitting at each end used to attach to the object to be lifted. |
| Strand | A group of wires twisted around a center wire, or core. Strands are twisted together to form a rope. |
| Traction steel | A type of steel with a strength of about 180,000 to 190,000 psi. |
| Wedge socket | A wire rope end fitting that uses a wedge principal to hold the rope in the fitting. |
| Wire rope | A rope made from iron or steel wires that are formed into strands, which are in turn laid into a complete rope, sometimes called a cable. |
| Wire rope clips | U-bolt type clips used to hold two wire ropes together. |
