(1)操作员执照
由原子能委员会〔Atomic Energy Commission〕颁发给合格的个人，该人据此可控制使用原子能的产量与设施。

(2)驾驶(员)执照在公路上驾驶汽车的一项前提条件。

• flag station
• flash check
• flash-houses
• flat
• flat bond
• flat money
• flat rate
• flat sentence
• flat tax
• Flavianum Jus
• fledwit
• fledwite
• flee from justice
• fleet
• Fleet Books
• Fleet marriages
• information and belief
• information for an intrusion
• information in chancery
• information in equity
• information in rem
• information in the exchequer
• information in the nature of quo warranto
• information of intrusion
• information of title