U.S. export-controlled items through China and Hong Kong
Implying that the US hasn’t already banned the export of anything that
could be utilized in the production of drones, ballistic missile systems, and other military end uses
to China and Hong Kong.
Two short non-technical books that are well worth a read:
On Being a Photographer: A Practical Guide - Bill Jay and David Hurn. Written well before the digital age but still very relevant
Art and Fear - David Bayles andTed Orland. Aimed at anyone involved in creative fields, it explores your relationship with what you do