Have you ever cleaned a sofa with one of those upholstery-cleaning vacuum machines? You first have to spray down the sofa surface with a cleaning solution that loosens the accumulated dirt and dust and dead skin cells and gunk-from-under-fingernails. Suddenly the sofa looks worse than it did when you started. It is not only dirty, it is now also wet, and the dirt that was lodged deep in the layers of fabric is now rising to the surface.
the cleaning
the cleaning
the cleaning
Have you ever cleaned a sofa with one of those upholstery-cleaning vacuum machines? You first have to spray down the sofa surface with a cleaning solution that loosens the accumulated dirt and dust and dead skin cells and gunk-from-under-fingernails. Suddenly the sofa looks worse than it did when you started. It is not only dirty, it is now also wet, and the dirt that was lodged deep in the layers of fabric is now rising to the surface.