1. When the progress bar of salvaging iron boxes in the working life simulator is 90%, it is easiest to get out of the iron boxes.
2. Under the bridge is an easy place to salvage iron boxes. You can also try it.
3. When you cannot catch the iron box, you need to increase your health and hunger values before heading to the fishing area.
4. The steps to salvage the iron box are to go to the fishing area, click to use the bait, then aim at the opportunity, and click to pull back.