Possible Clues:

• Ready to try something else
• Watching the clock, perhaps
• Extremely unint­erested
• Sounds as if the directors are not interested in the drill that did this
• 'A hole's made in your plank, by the sound of it (5)'
• … what retired men could be …
• *Produced offspring
• Ready to go home
• Apt to doodle, perhaps
• What the drill did was make this sound like the bottom of 14 down