dixonmassey
Valued Senior Member
Hard for me to mention any. Perhaps you can?
But note Brazil world's largest exporter of iron ore, on the "wrong side" of south America, ships more iron ore to China than even close by Australia where there is also a lot of it (but not quite as rich in iron, I think) because per pound bulk ocean shipping is very cheap.
Drilling fluids, all made in USA. Forest products, like sawdust, bark, etc. Stone, sand, brick. Military equipment, obviously. Complex and/or massive, hard to transport, parts for plants, mines, etc. Concrete premanufactured shapes, the list could be long.
Basically everything that
1) unique (for time being)
2) massive, low weight/high volume
3) Requires low amount of labor/unit