Possible Clues:

• Part of tyre factory's routine
• Boring unending job
• Leader of team assigned to study factory's monotonous routine
• Time to study utilitarianism, but it's a grind
• Drill with team smashing exercise machine
• Leader in trade to study factory's boring routine
• Ornament packaging made badly? It's tedious work
• Mike queasy on part of flight, it's routine
• Repetitive drudgery
• Dull routine