Related Clues:
- Advantageous; very able
- American fuel needing reprocessing to be profitable
- Helpful to have
- Serviceable bulb discovered after blown fuse
- Round safety device that's practicable
- Convenient reason that plug is dangerous?
- American fuel reprocessing is practical
- Having a benefit
- Helpful (2 words)
- Of practical use
- Handy American fuel supply
- Proficient; handy
- Worth keeping around
- Universal fuels designed to be beneficial
- Fuse blown at centre of bulb — that's handy