Related Clues:

• American bishop stops porter working
• A blues composition, fit for purpose
• Serviceable bulb discovered after blown fuse
• High-class fur fit for purpose
• American fuel reprocessing is practical
• Operating OK
• Proving to be useful
• Not to be wasted
• Working uniform, black
• It's in working order for a Blues fan
• Functional Italian island retreats headed by American
• Of practical use
• Functional, operational
• Handy American fuel supply
• Proficient; handy