Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean an iron with salt [title] Turn the iron on. [step] Turn the iron on to the highest setting and let it heat up. It will probably take several minutes for the iron to reach its highest heat level.

Ending1: [title] Pat the iron dry with a sheet of clean paper towels. [step] You don't want to use a paper towel, as it could lose its heat. Ending2: Don't stand at the tool you are working on because it will heat up too much and lose heat. Turn the iron on and let it reach the lowest heat. Ending3: There should be a light indicator on the iron that lets you know when it has reached the desired temperature. [substeps] Remember that the iron will be quite hot, so you should take care not to burn yourself or other objects around you-especially things that could melt, like plastic. Ending4: You may need to turn the heat back on and let it cool before beginning the cleaning process. [title] Scrub the iron and surrounding surfaces with the soapy water.

Answer format: ending1/ending2/ending3/ending4