Yes they do, during the application phase anyways.
They said it was OK anyways. Too bad people don't just accept the trade offers I send them right away >.<
If I get everything worked out I should have microchips, steel, construction, fine jewelry, asphalt, cars, scholars, and radiation cleanup. I need a harbor and I need to find someone with marble/aluminium. I forgot how much of a pain in the ass trades are.