Related Clues:

• "As Time ___ By"
• Extremely dexterous on cab's nuts and bolts
• Says, informally
• "Mr. Smith ___ to Washington"
• 'It just -- to show you'
• See 17 across
• Functions of leaves
• Departs; operates
• Leaves; operates
• SECOND PART OF 21
• Functions one accepts invitations to
• Also holds good for functions
• Does a bunk
• Is off, yet works
• Tries - and it works