Possible Clues:

• Being upright, will help with the hard work
• Drudgery
• Exertion, elbow grease
• Labour: Tory oddly ready, but not able
• Use of physical or mental energy; excessive labour...
• Core of centrism to benefit Labour
• Working dog consuming a volume
• Labour and Tory oddly capping benefit
• Trudge around V&A? It’s an ordeal
• Arduous task