Trivia from 05 - The Man with the Mechanical Arm

• The Japanese kanji (symbols) for 'auto-mail', 機械鎧, literally mean "machine armor".
  
  
• Manga vs. Anime:
  In the Manga, Ed is fifteen years old and already a State Alchemist when the events of The Man with the Mechanical Arm happen. Other differences: the story takes place after the events of Lior, and Major Maes Hughes isn't involved in this event. [edit]
• Goof: Spelling of Lt. Hawkeye's Name:
  Lt. Hawkeye is introduced as Liza but she is called Riza throughout the series.

Sources: TV.com