Possible Clues:

• Difficult place for Labour humbug’s source with answer for English
• Factory (derog.)
• West has transferred work into eastern hellhole
• Awful place to work demolished in two phases
• Ultimate in unpleasantness was the nasty work here
• Unethical business exchange, involving hot food previously
• Place where long hours are worked for low pay
• Our group sat about quietly before work in the factory
• What poses, potentially, a threat to workers' health?
• Old soldier to inform on harsh working environment