What piece of machinery should be used to unload a trailer whose frieght is on slip-sheet?

To unload a trailer with freight on slip-sheets, a slip-sheet handler or a specialized pallet jack designed for slip-sheets should be used. This machinery is equipped with a mechanism to grasp and slide the slip-sheets, allowing for efficient unloading without the need for traditional pallets. Additionally, a forklift with a slip-sheet attachment can also be utilized for this purpose, ensuring safe and effective handling of the freight.