In addition, engines, structures, and propellant tank manufacturing divisions (or subsidiaries) may be introduced within the broader dockside area’s confines.
At hynny, mae'n bosibl y cyflwynir is-adrannau (neu is-gwmnïau) gweithgynhyrchu peiriannau, strwythurau a thanciau tanwydd o fewn ffiniau ardal ehangach y dociau.