Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean a box fan [title] Unplug the box fan. [step] Wipe down the power cord with a damp cloth. Make sure to dry it.

Ending1: [substeps] Consider shaking the item and then setting it out in the sun to dry faster. [title] Remove the large screws keeping the fan unplugged and leaning against a wall or object. Ending2: It's a good idea to put the fan back in before you put in any laundry or other cleaning. [substeps] Unplug the old fan if you haven't already. Ending3: [title] Remove the top piece of the fan and examine it. [step] It should be bare metal, not rectangular metal. Ending4: Set the fan itself on a waist level work area, like on a bench or kitchen table. [title] Remove the outer covers of the fan.

Answer format: ending1/ending2/ending3/ending4