8. Learn how to import a product (from a third country) for processing, repair, to be used as a raw material for the production of another product etc. and then (a) to re-export it without having to pay any import duties, excise taxes, VAT on import or being subject to any commercial policy measures (insofar as those measures do not prohibit the entry or exit of goods into or from the EU) or (b) to suspend any payment thereof until the final product is release in free circulation and consumption (Inward processing Relief).
9. Learn how to export a product (to a third country) for processing, repair, to be used as a raw material for the production of another product etc. and then to re-import it in the EU and released it in free circulation with total or partial relief from import duties (Outward Processing Relief).