Please choose the correct ending to complete the given sentence: Work World: [header] How to unjam a paper shredder [title] Unplug the shredder. [substeps] As soon as you notice a jam beginning to form, stop the shredder to keep things from getting any worse. This gives you a chance to slow down, assess the situation and prepare to fix the jam.

Ending1: [title] Remove the shredder panel by pulling it out as far as possible with two hands. [step] The shredder panel will come into direct contact with the shredder panel on the same side of the shredder panel. Ending2: If it doesn't completely shut off, then consider trying restarting the shredder itself to attempt to stop it from running. [title] Use a mortar and pestle to come up with a solution. Ending3: Jamming signs to be watchful for include a slowing down of the paper moving through the shredder, an outright stop, and a whirring, " straining " noise that should be readily obvious. [title] If needed, empty the wastebasket. Ending4: [title] Check for the " excessive turbo " mass again. [substeps] Note that the amount of turbo mass that goes into each slot may vary depending on the size of shredder.

Answer format: ending1/ending2/ending3/ending4