[Oyk]

That's shouldn't be the reason. The contractor still get paid .The boss need to clean it even if they cant worker  tioboh?

The contract may get terminated on the ground of non performance and the boss gets down on his knees and says....

Thank you! Thank you MRTC for releasing me! The cleaners I hired all ran away one after another because they didn't want the job. Me too. I see liao I also say mlmlwml! 

And a tender is called.. the nth contractor is engaged. Wish him luck in finding cleaners.