Magnets.
Poison
If Iron conducts eleticity long distances better than any other metal then that would be one reason.
Iron was one the sources in the industrial revolution.
Iron can be found in a variety of sources such as iron ores, which are rocks and minerals from which metallic iron can be extracted; in the Earth's crust; and in a variety of food sources such as red meat, poultry, seafood, lentils, and fortified cereals.
Heme iron comes from animal sources, while non-heme iron comes from plant sources, so I believe that because mussels are animals, mussels therefore do contain heme iron. Fish also contains heme iron.
In back to the future, doctor Brown used a lighting strike to get the required 21 gigawatts to power the time machine, so if you could store the energy of a lightning strike then you would have enough power to power the iron man's suit.
Haeme iron - which comes from animal sources (meat especially and liver, but also eggs)Non haeme iron - which comes from plant sources (spinach, other green vegetables)Eat any food high in iron with a food high in vitamin C - this is especially true for the plant sources of iron, as it will help the iron be better absorbed Learn more about iron - which foods contain the highest amounts of iron, as well as a number of other information about iron, have a look at Related Linksbelow.
The two main forms of iron found in food are heme iron, which comes from animal sources like meat and fish, and non-heme iron, which comes from plant sources like spinach and lentils. Heme iron is more easily absorbed by the body compared to non-heme iron.
Fruits and vegetables
All green leafy vegetables,jaggary,rice,are rich sources of iron
Hematite deposits are the most important sources of Iron Ore in the United States.
the type of location that would need to be near a iron and steel industry is: local ore supplies local transport routes and water power