Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] The principle shall carry with it the obligation for each postal administration to forward always by the quickest routes and the most secure means which it uses for its own items, closed mails and ą découvert letter-post items which are passed to it by another administration [..]
Avots: Universal Postal Convention + The Final Protocol