Related Clues:

• Toiling
• Plugging away
• Busy
• Toiling away
• Active
• On the job
• Behind one's desk
• Not punched out
• In action
• On the clock
• In one's office
• Busy with brace in ship
• Not on holiday with the pair of them in Noah's boat
• Busy in a cubicle
• Active, like endangered species in historic flood?