You can see metal changing colours due to temperature, those are definetly soldering irons except the top right one which is a hot air soldering station and (IIRC, I have the same model) it goes up to 550C. You don’t want to hold any of those on the business end when they’re running.
You can see metal changing colours due to temperature, those are definetly soldering irons except the top right one which is a hot air soldering station and (IIRC, I have the same model) it goes up to 550C. You don’t want to hold any of those on the business end when they’re running.