[chiggsy]

State Department will have all the docs one needs to avoid any problems. In your example, the real risk would be that the lithium mining equipment is dual-use, ie: they also use it to mine yellowcake uranium ore, or when your watch business takes off, they struggle to provide enough brine, and bring in specialists from Afghanistan, who streamline the process and who's Dari has a Tehran accent.

They can let you keep making money until it's promotion time, or an example needs to be made for an election campaign or they find out your watches seem to be the chronometer of choice of the latest insurgency.