What does Cootings Machine represent?

The Cootings machine symbolizes the ways in which industry often harms natural environments. The exact nature/purpose of the Cootings machine is never explicated, but it appears to be a device used in construction. It produces much pollution. Klara eventually sabotages the Cootings machine, as Klara believes that the sun abhors pollution and will help Josie in exchange for the sabotage.